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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 100 · 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 40 litres of water and 25% of it is used. How many litres are left?
  2. 2.The price of a pencil box comes down from ₹25 to ₹13. What is the percentage decrease?
  3. 3.The price of a school bag comes down from ₹250 to ₹170. What is the percentage decrease?
  4. 4.A tank has 50 litres of water and 28% of it is used. How many litres are left?
  5. 5.A tank has 120 litres of water and 20% of it is used. How many litres are left?
  6. 6.A tank had 400 litres of water. Now it has 212 litres. What is the percentage decrease?
  7. 7.The price of a pencil box comes down from ₹40 to ₹20. What is the percentage decrease?
  8. 8.A team scored 40 runs in one match and 15% fewer in the next. How many runs did it score in the next match?
  9. 9.A tank has 25 litres of water and 20% of it is used. How many litres are left?
  10. 10.A team scored 400 runs in one match and 324 runs in the next. What is the percentage decrease?
  11. 11.A team scored 300 runs in one match and 38% fewer in the next. How many runs did it score in the next match?
  12. 12.A storybook costs ₹80. The price comes down by 65%. What is the new price, in rupees?
  13. 13.A tank has 150 litres of water and 88% of it is used. How many litres are left?
  14. 14.A tank has 200 litres of water and 63% of it is used. How many litres are left?
  15. 15.The price of a torch comes down from ₹50 to ₹38. What is the percentage decrease?
  16. 16.A tank had 80 litres of water. Now it has 68 litres. What is the percentage decrease?
  17. 17.A tank has 80 litres of water and 35% of it is used. How many litres are left?
  18. 18.A tank had 40 litres of water. Now it has 10 litres. What is the percentage decrease?
  19. 19.The price of a football comes down from ₹80 to ₹8. What is the percentage decrease?
  20. 20.The price of a toy car comes down from ₹20 to ₹12. What is the percentage decrease?
  21. 21.A team scored 20 runs in one match and 19 runs in the next. What is the percentage decrease?
  22. 22.A tank had 20 litres of water. Now it has 18 litres. What is the percentage decrease?
  23. 23.A tank has 50 litres of water and 6% of it is used. How many litres are left?
  24. 24.A school bag costs ₹500. The price comes down by 76%. What is the new price, in rupees?
  25. 25.A tank had 25 litres of water. Now it has 7 litres. What is the percentage decrease?
  26. 26.The price of a cricket bat comes down from ₹250 to ₹55. What is the percentage decrease?
  27. 27.A team scored 500 runs in one match and 245 runs in the next. What is the percentage decrease?
  28. 28.A tank has 60 litres of water and 30% of it is used. How many litres are left?
  29. 29.A tank has 400 litres of water and 58% of it is used. How many litres are left?
  30. 30.The price of a water bottle comes down from ₹150 to ₹48. What is the percentage decrease?
  31. 31.A team scored 60 runs in one match and 51 runs in the next. What is the percentage decrease?
  32. 32.A school bag costs ₹80. The price comes down by 30%. What is the new price, in rupees?
  33. 33.A team scored 40 runs in one match and 40% fewer in the next. How many runs did it score in the next match?
  34. 34.A team scored 100 runs in one match and 49 runs in the next. What is the percentage decrease?
  35. 35.A storybook costs ₹100. The price comes down by 52%. What is the new price, in rupees?
  36. 36.A tank has 60 litres of water and 90% of it is used. How many litres are left?
  37. 37.A tank had 200 litres of water. Now it has 128 litres. What is the percentage decrease?
  38. 38.A tank had 60 litres of water. Now it has 54 litres. What is the percentage decrease?
  39. 39.The price of a torch comes down from ₹500 to ₹385. What is the percentage decrease?
  40. 40.A tank had 60 litres of water. Now it has 15 litres. What is the percentage decrease?

Answer key

  1. 30
  2. 48
  3. 32
  4. 36
  5. 96
  6. 47
  7. 50
  8. 34
  9. 20
  10. 19
  11. 186
  12. 28
  13. 18
  14. 74
  15. 24
  16. 15
  17. 52
  18. 75
  19. 90
  20. 40
  21. 5
  22. 10
  23. 47
  24. 120
  25. 72
  26. 78
  27. 51
  28. 42
  29. 168
  30. 68
  31. 15
  32. 56
  33. 24
  34. 51
  35. 48
  36. 6
  37. 36
  38. 10
  39. 23
  40. 75

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