Percentage Decrease: Worksheets, Online Test and Calculators

Percentage decrease worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of percentage.

Percentage Decrease
Name Grade School
Date Questions10 Score

1
The excise duty on a certain item has been reduced from 600 to 162. Find the percentage reduction in the excise duty on that item?
   
2
A Nikon SLR camera which was advertised for sale for $800, was ultimately sold for $144. Find the percent reduction in the price?
   
3
The price of a Sony SLR camera was $600 in 2010. It reduced to $384 in 2013. By what percent did the price of the Sony SLR camera reduce?
   
4
On decreasing the price of Fujifilm SLR camera by 39%, the price becomes $488. What was the original price ?
   
5
If 43% of a bill is deducted, still $456 is left to be paid. How much was the bill?
   
6
On decreasing the price of Apple iPad by 77%, the price becomes $92. What was the original price ?
   
7
If value X decreased 33% and X value is 400, then what will be new value of X?
   
8
A Apple MacBook laptop price is decreased 60% and old price is $400, then what will be the new price?
   
9
The salary of Charles is $900 per day and is now decreased by 13%. Find his new salary per month?
   
10
A Google Pixel phone price is decreased 35% and old price is $1000, then what will be the new price?
   

Solved Worksheet Problems
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1
The excise duty on a certain item has been reduced from 600 to 162. Find the percentage reduction in the excise duty on that item?
73%
Steps
Data collected from Question :
Initial value = 600, New value = 162

Formula : Percent Decrease =
Initial value - New valueInitial value
x 100
Percent Decrease =
600 - 162600
x 100
Percent Decrease =
438600
x 100
Percent Decrease =
43800600
Percent Decrease = 73%
2
A Nikon SLR camera which was advertised for sale for $800, was ultimately sold for $144. Find the percent reduction in the price?
82%
Steps
Data collected from Question :
Initial value = 800, New value = 144

Formula : Percent Decrease =
Initial value - New valueInitial value
x 100
Percent Decrease =
800 - 144800
x 100
Percent Decrease =
656800
x 100
Percent Decrease =
65600800
Percent Decrease = 82%
3
The price of a Sony SLR camera was $600 in 2010. It reduced to $384 in 2013. By what percent did the price of the Sony SLR camera reduce?
36%
Steps
Data collected from Question :
Initial value = 600, New value = 384

Formula : Percent Decrease =
Initial value - New valueInitial value
x 100
Percent Decrease =
600 - 384600
x 100
Percent Decrease =
216600
x 100
Percent Decrease =
21600600
Percent Decrease = 36%
4
On decreasing the price of Fujifilm SLR camera by 39%, the price becomes $488. What was the original price ?
800
Steps
Data collected from Question :
New value = 488, Percent Decrease = 39%

Formula : Initial value =
New value1 - Percent Decrease
Initial value =
4881 - 39%
Initial value =
4881 - (39 ÷ 100)
Initial value =
4881 - (0.39)
Initial value =
4880.61
Initial value = 800
5
If 43% of a bill is deducted, still $456 is left to be paid. How much was the bill?
800
Steps
Data collected from Question :
New value = 456, Percent Decrease = 43%

Formula : Initial value =
New value1 - Percent Decrease
Initial value =
4561 - 43%
Initial value =
4561 - (43 ÷ 100)
Initial value =
4561 - (0.43)
Initial value =
4560.57
Initial value = 800
6
On decreasing the price of Apple iPad by 77%, the price becomes $92. What was the original price ?
400
Steps
Data collected from Question :
New value = 92, Percent Decrease = 77%

Formula : Initial value =
New value1 - Percent Decrease
Initial value =
921 - 77%
Initial value =
921 - (77 ÷ 100)
Initial value =
921 - (0.77)
Initial value =
920.23
Initial value = 400
7
If value X decreased 33% and X value is 400, then what will be new value of X?
268
Steps
Data collected from Question :
Initial value = 400, Percent Decrease = 33%

Formula :
New value = Initial value - ( Percent Decrease x Initial value )
New value = 400 - ( 33% x 400 )
New value = 400 - (
33100
x 400 )
New value = 400 - (
13200100
)
New value = 400 - 132
New value = 268
8
A Apple MacBook laptop price is decreased 60% and old price is $400, then what will be the new price?
160
Steps
Data collected from Question :
Initial value = 400, Percent Decrease = 60%

Formula :
New value = Initial value - ( Percent Decrease x Initial value )
New value = 400 - ( 60% x 400 )
New value = 400 - (
60100
x 400 )
New value = 400 - (
24000100
)
New value = 400 - 240
New value = 160
9
The salary of Charles is $900 per day and is now decreased by 13%. Find his new salary per month?
783
Steps
Data collected from Question :
Initial value = 900, Percent Decrease = 13%

Formula :
New value = Initial value - ( Percent Decrease x Initial value )
New value = 900 - ( 13% x 900 )
New value = 900 - (
13100
x 900 )
New value = 900 - (
11700100
)
New value = 900 - 117
New value = 783
10
A Google Pixel phone price is decreased 35% and old price is $1000, then what will be the new price?
650
Steps
Data collected from Question :
Initial value = 1000, Percent Decrease = 35%

Formula :
New value = Initial value - ( Percent Decrease x Initial value )
New value = 1000 - ( 35% x 1000 )
New value = 1000 - (
35100
x 1000 )
New value = 1000 - (
35000100
)
New value = 1000 - 350
New value = 650

Worksheet: Percentage Decrease

Percentage decrease worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such percentage problems in basic mathematics.

Online Test
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A product which was advertised for sale for $800, was ultimately sold for $280. Find the percent reduction in the price.
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If value X decreased 72% and X value is 400, then what will be new value of X ?
If value X decreased 76% and X value is 800, then what will be new value of X ?

Online Test: Percentage Decrease

This online test to find the percentage decrease is a formative assessment which can be used as homework, classwork or assignment problems to assess and improve the learner's math skills on percentage.