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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 621 · 40 questions
TalentJR

How to work it out (The old value is 100%): Decrease = old value − new value. Percentage decrease = decrease ÷ old value × 100. Decrease by p%: new value = old value − p% of the old value.

NameDateTime takenScore ___ / 40
  1. 1.A tank has 100 litres of water and 17% of it is used. How many litres are left?
  2. 2.A tank had 25 litres of water. Now it has 22 litres. What is the percentage decrease?
  3. 3.A team scored 25 runs in one match and 12% fewer in the next. How many runs did it score in the next match?
  4. 4.A tank has 25 litres of water and 64% of it is used. How many litres are left?
  5. 5.A tank has 300 litres of water and 87% of it is used. How many litres are left?
  6. 6.The price of a school bag comes down from ₹300 to ₹39. What is the percentage decrease?
  7. 7.A pencil box costs ₹80. The price comes down by 25%. What is the new price, in rupees?
  8. 8.A team scored 20 runs in one match and 30% fewer in the next. How many runs did it score in the next match?
  9. 9.The price of a torch comes down from ₹300 to ₹198. What is the percentage decrease?
  10. 10.A team scored 400 runs in one match and 82% fewer in the next. How many runs did it score in the next match?
  11. 11.A tank has 120 litres of water and 20% of it is used. How many litres are left?
  12. 12.A tank had 500 litres of water. Now it has 280 litres. What is the percentage decrease?
  13. 13.A tank had 40 litres of water. Now it has 6 litres. What is the percentage decrease?
  14. 14.The price of a storybook comes down from ₹50 to ₹30. What is the percentage decrease?
  15. 15.A team scored 20 runs in one match and 13 runs in the next. What is the percentage decrease?
  16. 16.A tank had 50 litres of water. Now it has 36 litres. What is the percentage decrease?
  17. 17.The price of a table fan comes down from ₹500 to ₹95. What is the percentage decrease?
  18. 18.A tank has 120 litres of water and 15% of it is used. How many litres are left?
  19. 19.A pencil box costs ₹80. The price comes down by 60%. What is the new price, in rupees?
  20. 20.A tank has 200 litres of water and 89% of it is used. How many litres are left?
  21. 21.A table fan costs ₹60. The price comes down by 50%. What is the new price, in rupees?
  22. 22.A tank had 400 litres of water. Now it has 180 litres. What is the percentage decrease?
  23. 23.A team scored 300 runs in one match and 16% fewer in the next. How many runs did it score in the next match?
  24. 24.The price of a school bag comes down from ₹50 to ₹37. What is the percentage decrease?
  25. 25.A tank has 300 litres of water and 82% of it is used. How many litres are left?
  26. 26.A tank has 100 litres of water and 9% of it is used. How many litres are left?
  27. 27.A water bottle costs ₹300. The price comes down by 11%. What is the new price, in rupees?
  28. 28.A storybook costs ₹400. The price comes down by 21%. What is the new price, in rupees?
  29. 29.A tank has 120 litres of water and 65% of it is used. How many litres are left?
  30. 30.A water bottle costs ₹40. The price comes down by 65%. What is the new price, in rupees?
  31. 31.A pencil box costs ₹300. The price comes down by 78%. What is the new price, in rupees?
  32. 32.The price of a pencil box comes down from ₹150 to ₹30. What is the percentage decrease?
  33. 33.The price of a torch comes down from ₹80 to ₹8. What is the percentage decrease?
  34. 34.A team scored 250 runs in one match and 18% fewer in the next. How many runs did it score in the next match?
  35. 35.A tank had 40 litres of water. Now it has 38 litres. What is the percentage decrease?
  36. 36.A tank has 25 litres of water and 44% of it is used. How many litres are left?
  37. 37.A tank has 250 litres of water and 78% of it is used. How many litres are left?
  38. 38.A tank has 250 litres of water and 44% of it is used. How many litres are left?
  39. 39.A tank had 20 litres of water. Now it has 13 litres. What is the percentage decrease?
  40. 40.A tank had 25 litres of water. Now it has 18 litres. What is the percentage decrease?

Answer key

  1. 83
  2. 12
  3. 22
  4. 9
  5. 39
  6. 87
  7. 60
  8. 14
  9. 34
  10. 72
  11. 96
  12. 44
  13. 85
  14. 40
  15. 35
  16. 28
  17. 81
  18. 102
  19. 32
  20. 22
  21. 30
  22. 55
  23. 252
  24. 26
  25. 54
  26. 91
  27. 267
  28. 316
  29. 42
  30. 14
  31. 66
  32. 80
  33. 90
  34. 205
  35. 5
  36. 14
  37. 55
  38. 140
  39. 35
  40. 28

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