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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 456 · 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 120 litres of water and 30% of it is used. How many litres are left?
  2. 2.A tank had 300 litres of water. Now it has 144 litres. What is the percentage decrease?
  3. 3.A tank had 200 litres of water. Now it has 174 litres. What is the percentage decrease?
  4. 4.The price of a football comes down from ₹60 to ₹6. What is the percentage decrease?
  5. 5.A team scored 120 runs in one match and 85% fewer in the next. How many runs did it score in the next match?
  6. 6.A tank has 60 litres of water and 40% of it is used. How many litres are left?
  7. 7.A tank has 200 litres of water and 90% of it is used. How many litres are left?
  8. 8.The price of a football comes down from ₹250 to ₹215. What is the percentage decrease?
  9. 9.A team scored 200 runs in one match and 88 runs in the next. What is the percentage decrease?
  10. 10.A toy car costs ₹40. The price comes down by 30%. What is the new price, in rupees?
  11. 11.A team scored 20 runs in one match and 50% fewer in the next. How many runs did it score in the next match?
  12. 12.The price of a school bag comes down from ₹120 to ₹108. What is the percentage decrease?
  13. 13.A team scored 150 runs in one match and 72% fewer in the next. How many runs did it score in the next match?
  14. 14.A tank has 120 litres of water and 85% of it is used. How many litres are left?
  15. 15.The price of a toy car comes down from ₹25 to ₹22. What is the percentage decrease?
  16. 16.A tank has 400 litres of water and 23% of it is used. How many litres are left?
  17. 17.A tank had 200 litres of water. Now it has 94 litres. What is the percentage decrease?
  18. 18.The price of a pencil box comes down from ₹25 to ₹4. What is the percentage decrease?
  19. 19.A kite costs ₹20. The price comes down by 30%. What is the new price, in rupees?
  20. 20.A toy car costs ₹150. The price comes down by 68%. What is the new price, in rupees?
  21. 21.A tank had 120 litres of water. Now it has 90 litres. What is the percentage decrease?
  22. 22.A table fan costs ₹20. The price comes down by 55%. What is the new price, in rupees?
  23. 23.A tank has 150 litres of water and 6% of it is used. How many litres are left?
  24. 24.A tank has 20 litres of water and 40% of it is used. How many litres are left?
  25. 25.The price of a storybook comes down from ₹400 to ₹372. What is the percentage decrease?
  26. 26.A tank has 400 litres of water and 44% of it is used. How many litres are left?
  27. 27.A team scored 60 runs in one match and 54 runs in the next. What is the percentage decrease?
  28. 28.A tank had 100 litres of water. Now it has 85 litres. What is the percentage decrease?
  29. 29.A team scored 200 runs in one match and 39% fewer in the next. How many runs did it score in the next match?
  30. 30.A tank has 250 litres of water and 18% of it is used. How many litres are left?
  31. 31.A tank had 25 litres of water. Now it has 8 litres. What is the percentage decrease?
  32. 32.A tank had 500 litres of water. Now it has 110 litres. What is the percentage decrease?
  33. 33.A tank had 500 litres of water. Now it has 470 litres. What is the percentage decrease?
  34. 34.A tank had 40 litres of water. Now it has 26 litres. What is the percentage decrease?
  35. 35.The price of a toy car comes down from ₹50 to ₹6. What is the percentage decrease?
  36. 36.A tank had 400 litres of water. Now it has 116 litres. What is the percentage decrease?
  37. 37.The price of a cricket bat comes down from ₹200 to ₹102. What is the percentage decrease?
  38. 38.The price of a table fan comes down from ₹150 to ₹141. What is the percentage decrease?
  39. 39.A team scored 300 runs in one match and 10% fewer in the next. How many runs did it score in the next match?
  40. 40.A tank had 250 litres of water. Now it has 80 litres. What is the percentage decrease?

Answer key

  1. 84
  2. 52
  3. 13
  4. 90
  5. 18
  6. 36
  7. 20
  8. 14
  9. 56
  10. 28
  11. 10
  12. 10
  13. 42
  14. 18
  15. 12
  16. 308
  17. 53
  18. 84
  19. 14
  20. 48
  21. 25
  22. 9
  23. 141
  24. 12
  25. 7
  26. 224
  27. 10
  28. 15
  29. 122
  30. 205
  31. 68
  32. 78
  33. 6
  34. 35
  35. 88
  36. 71
  37. 49
  38. 6
  39. 270
  40. 68

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