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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 557 · 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 team scored 500 runs in one match and 85 runs in the next. What is the percentage decrease?
  3. 3.A toy car costs ₹20. The price comes down by 70%. What is the new price, in rupees?
  4. 4.A team scored 300 runs in one match and 240 runs in the next. What is the percentage decrease?
  5. 5.A team scored 250 runs in one match and 175 runs in the next. What is the percentage decrease?
  6. 6.A cricket bat costs ₹25. The price comes down by 36%. What is the new price, in rupees?
  7. 7.A team scored 20 runs in one match and 17 runs in the next. What is the percentage decrease?
  8. 8.A tank has 100 litres of water and 25% of it is used. How many litres are left?
  9. 9.A tank had 150 litres of water. Now it has 90 litres. What is the percentage decrease?
  10. 10.A team scored 40 runs in one match and 12 runs in the next. What is the percentage decrease?
  11. 11.A tank had 20 litres of water. Now it has 5 litres. What is the percentage decrease?
  12. 12.A team scored 400 runs in one match and 364 runs in the next. What is the percentage decrease?
  13. 13.A tank has 80 litres of water and 15% of it is used. How many litres are left?
  14. 14.A tank has 80 litres of water and 60% of it is used. How many litres are left?
  15. 15.A kite costs ₹50. The price comes down by 24%. What is the new price, in rupees?
  16. 16.A school bag costs ₹150. The price comes down by 28%. What is the new price, in rupees?
  17. 17.The price of a pencil box comes down from ₹20 to ₹17. What is the percentage decrease?
  18. 18.A school bag costs ₹100. The price comes down by 60%. What is the new price, in rupees?
  19. 19.A team scored 50 runs in one match and 18 runs in the next. What is the percentage decrease?
  20. 20.A lunch box costs ₹200. The price comes down by 59%. What is the new price, in rupees?
  21. 21.A tank has 25 litres of water and 20% of it is used. How many litres are left?
  22. 22.The price of a football comes down from ₹100 to ₹54. What is the percentage decrease?
  23. 23.A tank has 400 litres of water and 38% of it is used. How many litres are left?
  24. 24.The price of a football comes down from ₹400 to ₹348. What is the percentage decrease?
  25. 25.A tank had 300 litres of water. Now it has 108 litres. What is the percentage decrease?
  26. 26.A water bottle costs ₹150. The price comes down by 66%. What is the new price, in rupees?
  27. 27.A tank had 20 litres of water. Now it has 8 litres. What is the percentage decrease?
  28. 28.A tank has 50 litres of water and 16% of it is used. How many litres are left?
  29. 29.A team scored 200 runs in one match and 46 runs in the next. What is the percentage decrease?
  30. 30.A toy car costs ₹40. The price comes down by 50%. What is the new price, in rupees?
  31. 31.A tank has 250 litres of water and 90% of it is used. How many litres are left?
  32. 32.A tank has 500 litres of water and 78% of it is used. How many litres are left?
  33. 33.The price of a football comes down from ₹120 to ₹24. What is the percentage decrease?
  34. 34.A tank has 60 litres of water and 80% of it is used. How many litres are left?
  35. 35.The price of a school bag comes down from ₹80 to ₹16. What is the percentage decrease?
  36. 36.A tank had 25 litres of water. Now it has 21 litres. What is the percentage decrease?
  37. 37.A lunch box costs ₹300. The price comes down by 10%. What is the new price, in rupees?
  38. 38.A torch costs ₹400. The price comes down by 20%. What is the new price, in rupees?
  39. 39.The price of a water bottle comes down from ₹40 to ₹8. What is the percentage decrease?
  40. 40.A team scored 20 runs in one match and 70% fewer in the next. How many runs did it score in the next match?

Answer key

  1. 84
  2. 83
  3. 6
  4. 20
  5. 30
  6. 16
  7. 15
  8. 75
  9. 40
  10. 70
  11. 75
  12. 9
  13. 68
  14. 32
  15. 38
  16. 108
  17. 15
  18. 40
  19. 64
  20. 82
  21. 20
  22. 46
  23. 248
  24. 13
  25. 64
  26. 51
  27. 60
  28. 42
  29. 77
  30. 20
  31. 25
  32. 110
  33. 80
  34. 12
  35. 80
  36. 16
  37. 270
  38. 320
  39. 80
  40. 6

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