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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 888 · 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 80 litres of water and 10% of it is used. How many litres are left?
  2. 2.A tank had 100 litres of water. Now it has 24 litres. What is the percentage decrease?
  3. 3.A tank had 120 litres of water. Now it has 42 litres. What is the percentage decrease?
  4. 4.A tank has 80 litres of water and 30% of it is used. How many litres are left?
  5. 5.A tank had 100 litres of water. Now it has 50 litres. What is the percentage decrease?
  6. 6.A team scored 250 runs in one match and 76% fewer in the next. How many runs did it score in the next match?
  7. 7.A team scored 400 runs in one match and 280 runs in the next. What is the percentage decrease?
  8. 8.A toy car costs ₹40. The price comes down by 10%. What is the new price, in rupees?
  9. 9.The price of a toy car comes down from ₹100 to ₹79. What is the percentage decrease?
  10. 10.A water bottle costs ₹40. The price comes down by 10%. What is the new price, in rupees?
  11. 11.A storybook costs ₹50. The price comes down by 78%. What is the new price, in rupees?
  12. 12.A team scored 200 runs in one match and 176 runs in the next. What is the percentage decrease?
  13. 13.A tank had 300 litres of water. Now it has 93 litres. What is the percentage decrease?
  14. 14.A tank has 40 litres of water and 15% of it is used. How many litres are left?
  15. 15.A team scored 150 runs in one match and 54 runs in the next. What is the percentage decrease?
  16. 16.A team scored 100 runs in one match and 86% fewer in the next. How many runs did it score in the next match?
  17. 17.A pencil box costs ₹40. The price comes down by 90%. What is the new price, in rupees?
  18. 18.A tank has 25 litres of water and 44% of it is used. How many litres are left?
  19. 19.A tank had 120 litres of water. Now it has 36 litres. What is the percentage decrease?
  20. 20.A team scored 400 runs in one match and 224 runs in the next. What is the percentage decrease?
  21. 21.The price of a torch comes down from ₹300 to ₹159. What is the percentage decrease?
  22. 22.A wall clock costs ₹50. The price comes down by 32%. What is the new price, in rupees?
  23. 23.A team scored 80 runs in one match and 60 runs in the next. What is the percentage decrease?
  24. 24.The price of a storybook comes down from ₹25 to ₹15. What is the percentage decrease?
  25. 25.A tank has 200 litres of water and 50% of it is used. How many litres are left?
  26. 26.A tank has 300 litres of water and 38% of it is used. How many litres are left?
  27. 27.The price of a storybook comes down from ₹500 to ₹90. What is the percentage decrease?
  28. 28.A tank had 100 litres of water. Now it has 91 litres. What is the percentage decrease?
  29. 29.A tank has 120 litres of water and 75% of it is used. How many litres are left?
  30. 30.The price of a wall clock comes down from ₹100 to ₹73. What is the percentage decrease?
  31. 31.A storybook costs ₹100. The price comes down by 29%. What is the new price, in rupees?
  32. 32.A team scored 100 runs in one match and 64 runs in the next. What is the percentage decrease?
  33. 33.A tank has 40 litres of water and 50% of it is used. How many litres are left?
  34. 34.The price of a lunch box comes down from ₹20 to ₹12. What is the percentage decrease?
  35. 35.The price of a kite comes down from ₹25 to ₹12. What is the percentage decrease?
  36. 36.A tank had 200 litres of water. Now it has 166 litres. What is the percentage decrease?
  37. 37.A football costs ₹25. The price comes down by 68%. What is the new price, in rupees?
  38. 38.A tank had 250 litres of water. Now it has 220 litres. What is the percentage decrease?
  39. 39.A team scored 300 runs in one match and 33 runs in the next. What is the percentage decrease?
  40. 40.A tank had 400 litres of water. Now it has 304 litres. What is the percentage decrease?

Answer key

  1. 72
  2. 76
  3. 65
  4. 56
  5. 50
  6. 60
  7. 30
  8. 36
  9. 21
  10. 36
  11. 11
  12. 12
  13. 69
  14. 34
  15. 64
  16. 14
  17. 4
  18. 14
  19. 70
  20. 44
  21. 47
  22. 34
  23. 25
  24. 40
  25. 100
  26. 186
  27. 82
  28. 9
  29. 30
  30. 27
  31. 71
  32. 36
  33. 20
  34. 40
  35. 52
  36. 17
  37. 8
  38. 12
  39. 89
  40. 24

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