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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 693 · 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 50 litres of water and 88% of it is used. How many litres are left?
  2. 2.The price of a storybook comes down from ₹120 to ₹108. What is the percentage decrease?
  3. 3.A tank has 80 litres of water and 55% of it is used. How many litres are left?
  4. 4.A tank has 50 litres of water and 54% of it is used. How many litres are left?
  5. 5.A tank has 100 litres of water and 16% of it is used. How many litres are left?
  6. 6.A tank had 400 litres of water. Now it has 380 litres. What is the percentage decrease?
  7. 7.A tank had 20 litres of water. Now it has 11 litres. What is the percentage decrease?
  8. 8.A tank had 120 litres of water. Now it has 66 litres. What is the percentage decrease?
  9. 9.The price of a toy car comes down from ₹200 to ₹46. What is the percentage decrease?
  10. 10.A tank has 60 litres of water and 85% of it is used. How many litres are left?
  11. 11.A tank had 50 litres of water. Now it has 15 litres. What is the percentage decrease?
  12. 12.A wall clock costs ₹400. The price comes down by 15%. What is the new price, in rupees?
  13. 13.A team scored 100 runs in one match and 36% fewer in the next. How many runs did it score in the next match?
  14. 14.A wall clock costs ₹150. The price comes down by 34%. What is the new price, in rupees?
  15. 15.A tank had 400 litres of water. Now it has 48 litres. What is the percentage decrease?
  16. 16.A tank had 300 litres of water. Now it has 159 litres. What is the percentage decrease?
  17. 17.A team scored 80 runs in one match and 32 runs in the next. What is the percentage decrease?
  18. 18.A water bottle costs ₹40. The price comes down by 50%. What is the new price, in rupees?
  19. 19.A team scored 25 runs in one match and 8 runs in the next. What is the percentage decrease?
  20. 20.A tank has 40 litres of water and 20% of it is used. How many litres are left?
  21. 21.The price of a torch comes down from ₹50 to ₹19. What is the percentage decrease?
  22. 22.A team scored 150 runs in one match and 123 runs in the next. What is the percentage decrease?
  23. 23.A tank had 80 litres of water. Now it has 36 litres. What is the percentage decrease?
  24. 24.A tank has 300 litres of water and 64% of it is used. How many litres are left?
  25. 25.A tank has 200 litres of water and 10% of it is used. How many litres are left?
  26. 26.A pencil box costs ₹20. The price comes down by 65%. What is the new price, in rupees?
  27. 27.A team scored 120 runs in one match and 72 runs in the next. What is the percentage decrease?
  28. 28.A football costs ₹100. The price comes down by 36%. What is the new price, in rupees?
  29. 29.A tank had 80 litres of water. Now it has 60 litres. What is the percentage decrease?
  30. 30.A tank had 25 litres of water. Now it has 13 litres. What is the percentage decrease?
  31. 31.A tank has 20 litres of water and 20% of it is used. How many litres are left?
  32. 32.A tank had 25 litres of water. Now it has 22 litres. What is the percentage decrease?
  33. 33.A toy car costs ₹200. The price comes down by 56%. What is the new price, in rupees?
  34. 34.A team scored 50 runs in one match and 16% fewer in the next. How many runs did it score in the next match?
  35. 35.The price of a football comes down from ₹60 to ₹21. What is the percentage decrease?
  36. 36.A team scored 50 runs in one match and 27 runs in the next. What is the percentage decrease?
  37. 37.The price of a school bag comes down from ₹500 to ₹145. What is the percentage decrease?
  38. 38.A tank had 50 litres of water. Now it has 45 litres. What is the percentage decrease?
  39. 39.A team scored 250 runs in one match and 170 runs in the next. What is the percentage decrease?
  40. 40.A tank had 100 litres of water. Now it has 24 litres. What is the percentage decrease?

Answer key

  1. 6
  2. 10
  3. 36
  4. 23
  5. 84
  6. 5
  7. 45
  8. 45
  9. 77
  10. 9
  11. 70
  12. 340
  13. 64
  14. 99
  15. 88
  16. 47
  17. 60
  18. 20
  19. 68
  20. 32
  21. 62
  22. 18
  23. 55
  24. 108
  25. 180
  26. 7
  27. 40
  28. 64
  29. 25
  30. 48
  31. 16
  32. 12
  33. 88
  34. 42
  35. 65
  36. 46
  37. 71
  38. 10
  39. 32
  40. 76

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