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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 468 · 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.

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  1. 1.A tank had 200 litres of water. Now it has 178 litres. What is the percentage decrease?
  2. 2.A tank has 400 litres of water and 67% of it is used. How many litres are left?
  3. 3.A tank had 40 litres of water. Now it has 18 litres. What is the percentage decrease?
  4. 4.A tank has 250 litres of water and 8% of it is used. How many litres are left?
  5. 5.A tank has 100 litres of water and 59% of it is used. How many litres are left?
  6. 6.A tank has 200 litres of water and 36% of it is used. How many litres are left?
  7. 7.A tank had 60 litres of water. Now it has 45 litres. What is the percentage decrease?
  8. 8.A tank had 120 litres of water. Now it has 114 litres. What is the percentage decrease?
  9. 9.The price of a storybook comes down from ₹60 to ₹57. What is the percentage decrease?
  10. 10.A team scored 25 runs in one match and 40% fewer in the next. How many runs did it score in the next match?
  11. 11.The price of a wall clock comes down from ₹120 to ₹48. What is the percentage decrease?
  12. 12.A tank has 200 litres of water and 5% of it is used. How many litres are left?
  13. 13.The price of a kite comes down from ₹120 to ₹90. What is the percentage decrease?
  14. 14.A team scored 40 runs in one match and 10 runs in the next. What is the percentage decrease?
  15. 15.A school bag costs ₹60. The price comes down by 75%. What is the new price, in rupees?
  16. 16.A team scored 20 runs in one match and 10 runs in the next. What is the percentage decrease?
  17. 17.A tank had 200 litres of water. Now it has 24 litres. What is the percentage decrease?
  18. 18.A team scored 80 runs in one match and 60 runs in the next. What is the percentage decrease?
  19. 19.A tank had 250 litres of water. Now it has 180 litres. What is the percentage decrease?
  20. 20.A tank has 40 litres of water and 75% of it is used. How many litres are left?
  21. 21.A tank had 100 litres of water. Now it has 31 litres. What is the percentage decrease?
  22. 22.A team scored 60 runs in one match and 75% fewer in the next. How many runs did it score in the next match?
  23. 23.The price of a storybook comes down from ₹60 to ₹15. What is the percentage decrease?
  24. 24.A tank had 150 litres of water. Now it has 93 litres. What is the percentage decrease?
  25. 25.The price of a torch comes down from ₹200 to ₹186. What is the percentage decrease?
  26. 26.A team scored 25 runs in one match and 20 runs in the next. What is the percentage decrease?
  27. 27.The price of a table fan comes down from ₹40 to ₹36. What is the percentage decrease?
  28. 28.A pencil box costs ₹400. The price comes down by 10%. What is the new price, in rupees?
  29. 29.A tank had 150 litres of water. Now it has 66 litres. What is the percentage decrease?
  30. 30.A table fan costs ₹20. The price comes down by 10%. What is the new price, in rupees?
  31. 31.A tank has 400 litres of water and 29% of it is used. How many litres are left?
  32. 32.A team scored 100 runs in one match and 85 runs in the next. What is the percentage decrease?
  33. 33.A team scored 300 runs in one match and 48% fewer in the next. How many runs did it score in the next match?
  34. 34.The price of a football comes down from ₹250 to ₹30. What is the percentage decrease?
  35. 35.A tank has 80 litres of water and 25% of it is used. How many litres are left?
  36. 36.A team scored 250 runs in one match and 88% fewer in the next. How many runs did it score in the next match?
  37. 37.The price of a school bag comes down from ₹200 to ₹54. What is the percentage decrease?
  38. 38.The price of a cricket bat comes down from ₹20 to ₹7. What is the percentage decrease?
  39. 39.A storybook costs ₹25. The price comes down by 28%. What is the new price, in rupees?
  40. 40.A school bag costs ₹25. The price comes down by 20%. What is the new price, in rupees?

Answer key

  1. 11
  2. 132
  3. 55
  4. 230
  5. 41
  6. 128
  7. 25
  8. 5
  9. 5
  10. 15
  11. 60
  12. 190
  13. 25
  14. 75
  15. 15
  16. 50
  17. 88
  18. 25
  19. 28
  20. 10
  21. 69
  22. 15
  23. 75
  24. 38
  25. 7
  26. 20
  27. 10
  28. 360
  29. 56
  30. 18
  31. 284
  32. 15
  33. 156
  34. 88
  35. 60
  36. 30
  37. 73
  38. 65
  39. 18
  40. 20

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