Percentage practice

12 questions · Show your working · PercentageCalcs.com

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Name: __________________________   Date: ______________

Show each step. Round only when the question asks you to.

  1. 15% of 200
  2. 8% of 50
  3. 30 is what percent of 200?
  4. 18 is what percent of 24?
  5. 30 is 15% of what number?
  6. 45 is 75% of what number?
  7. Increase 80 by 25%.
  8. Decrease 120 by 15%.
  9. Find the percent change from 40 to 30.
  10. A price of $60 is reduced by 20%. Find the sale price.
  11. Find the percentage score for 68 out of 90. Round to two decimals.
  12. A team has 10 wins, 6 losses and 1 tie. Count a tie as half a win. Find its win percentage to three decimals.

Need a reminder? Percent of a number = percent ÷ 100 × number.
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Worked answer key

PercentageCalcs.com · Percentage practice

  1. 15 ÷ 100 × 200 = 30
  2. 8 ÷ 100 × 50 = 4
  3. 30 ÷ 200 × 100 = 15%
  4. 18 ÷ 24 × 100 = 75%
  5. 30 ÷ 15 × 100 = 200
  6. 45 ÷ 75 × 100 = 60
  7. 80 × 1.25 = 100
  8. 120 × 0.85 = 102
  9. (30 − 40) ÷ 40 × 100 = −25%
  10. 60 × 0.80 = $48
  11. 68 ÷ 90 × 100 = 75.56%
  12. (10 + 1 ÷ 2) ÷ 17 × 100 = 61.765%

For question 9, −25% means a 25% decrease. For question 11, a percentage does not determine a universal letter grade.

Check another example with the percentage calculator, percent change calculator, grade calculator or win percentage calculator.

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