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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 797 · 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 had 50 litres of water. Now it has 10 litres. What is the percentage decrease?
  2. 2.A torch costs ₹400. The price comes down by 30%. What is the new price, in rupees?
  3. 3.A tank has 50 litres of water and 54% of it is used. How many litres are left?
  4. 4.A tank had 25 litres of water. Now it has 16 litres. What is the percentage decrease?
  5. 5.A team scored 25 runs in one match and 40% fewer in the next. How many runs did it score in the next match?
  6. 6.A tank has 20 litres of water and 90% of it is used. How many litres are left?
  7. 7.A tank had 25 litres of water. Now it has 7 litres. What is the percentage decrease?
  8. 8.A team scored 20 runs in one match and 18 runs in the next. What is the percentage decrease?
  9. 9.A tank has 400 litres of water and 27% of it is used. How many litres are left?
  10. 10.A team scored 250 runs in one match and 64% fewer in the next. How many runs did it score in the next match?
  11. 11.A torch costs ₹100. The price comes down by 33%. What is the new price, in rupees?
  12. 12.A tank had 500 litres of water. Now it has 400 litres. What is the percentage decrease?
  13. 13.The price of a school bag comes down from ₹100 to ₹27. What is the percentage decrease?
  14. 14.A tank has 300 litres of water and 60% of it is used. How many litres are left?
  15. 15.A tank had 250 litres of water. Now it has 140 litres. What is the percentage decrease?
  16. 16.A team scored 20 runs in one match and 19 runs in the next. What is the percentage decrease?
  17. 17.A team scored 50 runs in one match and 8 runs in the next. What is the percentage decrease?
  18. 18.A tank has 100 litres of water and 16% of it is used. How many litres are left?
  19. 19.The price of a torch comes down from ₹40 to ₹34. What is the percentage decrease?
  20. 20.A storybook costs ₹20. The price comes down by 50%. What is the new price, in rupees?
  21. 21.A cricket bat costs ₹60. The price comes down by 5%. What is the new price, in rupees?
  22. 22.A tank had 50 litres of water. Now it has 9 litres. What is the percentage decrease?
  23. 23.A football costs ₹300. The price comes down by 60%. What is the new price, in rupees?
  24. 24.A tank had 50 litres of water. Now it has 38 litres. What is the percentage decrease?
  25. 25.A storybook costs ₹150. The price comes down by 80%. What is the new price, in rupees?
  26. 26.The price of a lunch box comes down from ₹400 to ₹80. What is the percentage decrease?
  27. 27.A tank had 25 litres of water. Now it has 23 litres. What is the percentage decrease?
  28. 28.A tank has 60 litres of water and 25% of it is used. How many litres are left?
  29. 29.A team scored 80 runs in one match and 72 runs in the next. What is the percentage decrease?
  30. 30.A team scored 250 runs in one match and 12% fewer in the next. How many runs did it score in the next match?
  31. 31.A team scored 60 runs in one match and 36 runs in the next. What is the percentage decrease?
  32. 32.A team scored 150 runs in one match and 126 runs in the next. What is the percentage decrease?
  33. 33.A wall clock costs ₹250. The price comes down by 6%. What is the new price, in rupees?
  34. 34.The price of a water bottle comes down from ₹50 to ₹15. What is the percentage decrease?
  35. 35.A team scored 50 runs in one match and 6% fewer in the next. How many runs did it score in the next match?
  36. 36.A lunch box costs ₹500. The price comes down by 12%. What is the new price, in rupees?
  37. 37.A tank had 200 litres of water. Now it has 172 litres. What is the percentage decrease?
  38. 38.A table fan costs ₹100. The price comes down by 14%. What is the new price, in rupees?
  39. 39.A water bottle costs ₹60. The price comes down by 10%. What is the new price, in rupees?
  40. 40.The price of a cricket bat comes down from ₹250 to ₹90. What is the percentage decrease?

Answer key

  1. 80
  2. 280
  3. 23
  4. 36
  5. 15
  6. 2
  7. 72
  8. 10
  9. 292
  10. 90
  11. 67
  12. 20
  13. 73
  14. 120
  15. 44
  16. 5
  17. 84
  18. 84
  19. 15
  20. 10
  21. 57
  22. 82
  23. 120
  24. 24
  25. 30
  26. 80
  27. 8
  28. 45
  29. 10
  30. 220
  31. 40
  32. 16
  33. 235
  34. 70
  35. 47
  36. 440
  37. 14
  38. 86
  39. 54
  40. 64

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