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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 221 · 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 300 litres of water and 64% of it is used. How many litres are left?
  2. 2.A tank has 25 litres of water and 76% of it is used. How many litres are left?
  3. 3.A team scored 300 runs in one match and 45% fewer in the next. How many runs did it score in the next match?
  4. 4.A tank has 60 litres of water and 70% of it is used. How many litres are left?
  5. 5.A team scored 50 runs in one match and 40 runs in the next. What is the percentage decrease?
  6. 6.A tank had 25 litres of water. Now it has 19 litres. What is the percentage decrease?
  7. 7.A tank has 150 litres of water and 28% of it is used. How many litres are left?
  8. 8.A team scored 300 runs in one match and 93 runs in the next. What is the percentage decrease?
  9. 9.A tank has 50 litres of water and 74% of it is used. How many litres are left?
  10. 10.A team scored 25 runs in one match and 15 runs in the next. What is the percentage decrease?
  11. 11.A tank had 50 litres of water. Now it has 38 litres. What is the percentage decrease?
  12. 12.A team scored 300 runs in one match and 80% fewer in the next. How many runs did it score in the next match?
  13. 13.A tank had 20 litres of water. Now it has 8 litres. What is the percentage decrease?
  14. 14.A tank has 150 litres of water and 82% of it is used. How many litres are left?
  15. 15.A water bottle costs ₹100. The price comes down by 28%. What is the new price, in rupees?
  16. 16.A tank has 60 litres of water and 20% of it is used. How many litres are left?
  17. 17.A team scored 250 runs in one match and 52% fewer in the next. How many runs did it score in the next match?
  18. 18.A tank had 250 litres of water. Now it has 35 litres. What is the percentage decrease?
  19. 19.A tank has 120 litres of water and 35% of it is used. How many litres are left?
  20. 20.A tank has 20 litres of water and 60% of it is used. How many litres are left?
  21. 21.A team scored 20 runs in one match and 13 runs in the next. What is the percentage decrease?
  22. 22.A tank had 300 litres of water. Now it has 165 litres. What is the percentage decrease?
  23. 23.A team scored 25 runs in one match and 16 runs in the next. What is the percentage decrease?
  24. 24.A tank has 200 litres of water and 66% of it is used. How many litres are left?
  25. 25.The price of a torch comes down from ₹250 to ₹145. What is the percentage decrease?
  26. 26.A tank has 200 litres of water and 59% of it is used. How many litres are left?
  27. 27.A team scored 150 runs in one match and 117 runs in the next. What is the percentage decrease?
  28. 28.A team scored 60 runs in one match and 33 runs in the next. What is the percentage decrease?
  29. 29.A tank has 25 litres of water and 40% of it is used. How many litres are left?
  30. 30.A table fan costs ₹500. The price comes down by 5%. What is the new price, in rupees?
  31. 31.A team scored 500 runs in one match and 95 runs in the next. What is the percentage decrease?
  32. 32.The price of a school bag comes down from ₹25 to ₹19. What is the percentage decrease?
  33. 33.A team scored 100 runs in one match and 84 runs in the next. What is the percentage decrease?
  34. 34.The price of a kite comes down from ₹200 to ₹22. What is the percentage decrease?
  35. 35.A tank had 40 litres of water. Now it has 16 litres. What is the percentage decrease?
  36. 36.A team scored 100 runs in one match and 93 runs in the next. What is the percentage decrease?
  37. 37.A team scored 150 runs in one match and 45 runs in the next. What is the percentage decrease?
  38. 38.The price of a torch comes down from ₹20 to ₹17. What is the percentage decrease?
  39. 39.A team scored 50 runs in one match and 45 runs in the next. What is the percentage decrease?
  40. 40.A tank had 50 litres of water. Now it has 36 litres. What is the percentage decrease?

Answer key

  1. 108
  2. 6
  3. 165
  4. 18
  5. 20
  6. 24
  7. 108
  8. 69
  9. 13
  10. 40
  11. 24
  12. 60
  13. 60
  14. 27
  15. 72
  16. 48
  17. 120
  18. 86
  19. 78
  20. 8
  21. 35
  22. 45
  23. 36
  24. 68
  25. 42
  26. 82
  27. 22
  28. 45
  29. 15
  30. 475
  31. 81
  32. 24
  33. 16
  34. 89
  35. 60
  36. 7
  37. 70
  38. 15
  39. 10
  40. 28

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