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These sample problems below for Percentage Change were generated by the MathScore.com engine.

Sample Problems For Percentage Change

Complexity=25, Mode=increase

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
1.   138 is % greater than 75 2.   234 is % greater than 200

Complexity=50, Mode=decrease

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
1.   486 is % smaller than 1800 2.   20 is % smaller than 500

Complexity=100

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
1.   188 is % smaller than 212 2.   75 is % greater than 16

Answers

Complexity=25, Mode=increase

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
#Correct AnswerYour Answer
1138 is % greater than 75
Solution
% change = (new number - original number) / (original number) × 100
% change = (138 - 75) / 75 × 100
% change = 63 / 75 × 100
% change = 84%
#Correct AnswerYour Answer
2234 is % greater than 200
Solution
% change = (new number - original number) / (original number) × 100
% change = (234 - 200) / 200 × 100
% change = 34 / 200 × 100
% change = 17%

Complexity=50, Mode=decrease

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
#Correct AnswerYour Answer
1486 is % smaller than 1800
Solution
% change = (new number - original number) / (original number) × 100
% change = (486 - 1800) / 1800 × 100
% change = -1314 / 1800 × 100
% change = -73%
#Correct AnswerYour Answer
220 is % smaller than 500
Solution
% change = (new number - original number) / (original number) × 100
% change = (20 - 500) / 500 × 100
% change = -480 / 500 × 100
% change = -96%

Complexity=100

Fill in the follwoing with the correct percentage increase or decrease to the nearest whole percent.
#Correct AnswerYour Answer
1188 is % smaller than 212
Solution
% change = (new number - original number) / (original number) × 100
% change = (188 - 212) / 212 × 100
% change = -24 / 212 × 100
% change = -11%
#Correct AnswerYour Answer
275 is % greater than 16
Solution
% change = (new number - original number) / (original number) × 100
% change = (75 - 16) / 16 × 100
% change = 59 / 16 × 100
% change = 369%

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