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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 473 · 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 has 100 litres of water and 50% of it is used. How many litres are left?
  2. 2.A tank had 250 litres of water. Now it has 170 litres. What is the percentage decrease?
  3. 3.A tank has 20 litres of water and 70% of it is used. How many litres are left?
  4. 4.A tank had 80 litres of water. Now it has 44 litres. What is the percentage decrease?
  5. 5.A tank has 50 litres of water and 38% of it is used. How many litres are left?
  6. 6.A team scored 100 runs in one match and 29 runs in the next. What is the percentage decrease?
  7. 7.A tank had 25 litres of water. Now it has 8 litres. What is the percentage decrease?
  8. 8.A tank has 50 litres of water and 58% of it is used. How many litres are left?
  9. 9.A storybook costs ₹60. The price comes down by 90%. What is the new price, in rupees?
  10. 10.A tank has 50 litres of water and 70% of it is used. How many litres are left?
  11. 11.A school bag costs ₹250. The price comes down by 90%. What is the new price, in rupees?
  12. 12.A tank has 25 litres of water and 8% of it is used. How many litres are left?
  13. 13.A storybook costs ₹20. The price comes down by 10%. What is the new price, in rupees?
  14. 14.A tank had 25 litres of water. Now it has 19 litres. What is the percentage decrease?
  15. 15.The price of a water bottle comes down from ₹80 to ₹36. What is the percentage decrease?
  16. 16.A tank had 400 litres of water. Now it has 176 litres. What is the percentage decrease?
  17. 17.A storybook costs ₹300. The price comes down by 11%. What is the new price, in rupees?
  18. 18.A cricket bat costs ₹20. The price comes down by 65%. What is the new price, in rupees?
  19. 19.A team scored 250 runs in one match and 32% fewer in the next. How many runs did it score in the next match?
  20. 20.A team scored 120 runs in one match and 108 runs in the next. What is the percentage decrease?
  21. 21.A team scored 200 runs in one match and 142 runs in the next. What is the percentage decrease?
  22. 22.A team scored 40 runs in one match and 80% fewer in the next. How many runs did it score in the next match?
  23. 23.A tank had 200 litres of water. Now it has 148 litres. What is the percentage decrease?
  24. 24.A tank had 40 litres of water. Now it has 14 litres. What is the percentage decrease?
  25. 25.A team scored 50 runs in one match and 26% fewer in the next. How many runs did it score in the next match?
  26. 26.A water bottle costs ₹400. The price comes down by 64%. What is the new price, in rupees?
  27. 27.A team scored 200 runs in one match and 31% fewer in the next. How many runs did it score in the next match?
  28. 28.The price of a toy car comes down from ₹400 to ₹344. What is the percentage decrease?
  29. 29.A team scored 120 runs in one match and 65% fewer in the next. How many runs did it score in the next match?
  30. 30.A team scored 400 runs in one match and 38% fewer in the next. How many runs did it score in the next match?
  31. 31.A tank had 100 litres of water. Now it has 39 litres. What is the percentage decrease?
  32. 32.The price of a water bottle comes down from ₹60 to ₹36. What is the percentage decrease?
  33. 33.A school bag costs ₹250. The price comes down by 8%. What is the new price, in rupees?
  34. 34.A team scored 50 runs in one match and 48% fewer in the next. How many runs did it score in the next match?
  35. 35.The price of a torch comes down from ₹25 to ₹16. What is the percentage decrease?
  36. 36.A tank had 300 litres of water. Now it has 273 litres. What is the percentage decrease?
  37. 37.The price of a toy car comes down from ₹500 to ₹415. What is the percentage decrease?
  38. 38.The price of a kite comes down from ₹250 to ₹150. What is the percentage decrease?
  39. 39.A team scored 400 runs in one match and 252 runs in the next. What is the percentage decrease?
  40. 40.A tank has 400 litres of water and 30% of it is used. How many litres are left?

Answer key

  1. 50
  2. 32
  3. 6
  4. 45
  5. 31
  6. 71
  7. 68
  8. 21
  9. 6
  10. 15
  11. 25
  12. 23
  13. 18
  14. 24
  15. 55
  16. 56
  17. 267
  18. 7
  19. 170
  20. 10
  21. 29
  22. 8
  23. 26
  24. 65
  25. 37
  26. 144
  27. 138
  28. 14
  29. 42
  30. 248
  31. 61
  32. 40
  33. 230
  34. 26
  35. 36
  36. 9
  37. 17
  38. 40
  39. 37
  40. 280

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