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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 609 · 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 150 litres of water. Now it has 99 litres. What is the percentage decrease?
  2. 2.A tank had 400 litres of water. Now it has 324 litres. What is the percentage decrease?
  3. 3.A tank has 60 litres of water and 20% of it is used. How many litres are left?
  4. 4.A tank has 40 litres of water and 45% of it is used. How many litres are left?
  5. 5.A team scored 500 runs in one match and 345 runs in the next. What is the percentage decrease?
  6. 6.A team scored 80 runs in one match and 56 runs in the next. What is the percentage decrease?
  7. 7.A team scored 50 runs in one match and 26% fewer in the next. How many runs did it score in the next match?
  8. 8.A wall clock costs ₹20. The price comes down by 75%. What is the new price, in rupees?
  9. 9.The price of a school bag comes down from ₹250 to ₹100. What is the percentage decrease?
  10. 10.A tank has 80 litres of water and 25% of it is used. How many litres are left?
  11. 11.A tank had 40 litres of water. Now it has 16 litres. What is the percentage decrease?
  12. 12.A team scored 150 runs in one match and 52% fewer in the next. How many runs did it score in the next match?
  13. 13.A team scored 50 runs in one match and 9 runs in the next. What is the percentage decrease?
  14. 14.A tank had 80 litres of water. Now it has 28 litres. What is the percentage decrease?
  15. 15.A tank had 80 litres of water. Now it has 36 litres. What is the percentage decrease?
  16. 16.A tank has 25 litres of water and 56% of it is used. How many litres are left?
  17. 17.A tank had 100 litres of water. Now it has 10 litres. What is the percentage decrease?
  18. 18.A storybook costs ₹120. The price comes down by 10%. What is the new price, in rupees?
  19. 19.The price of a storybook comes down from ₹250 to ₹145. What is the percentage decrease?
  20. 20.A team scored 40 runs in one match and 50% fewer in the next. How many runs did it score in the next match?
  21. 21.A team scored 100 runs in one match and 83 runs in the next. What is the percentage decrease?
  22. 22.A tank had 20 litres of water. Now it has 16 litres. What is the percentage decrease?
  23. 23.The price of a lunch box comes down from ₹250 to ₹190. What is the percentage decrease?
  24. 24.The price of a toy car comes down from ₹20 to ₹5. What is the percentage decrease?
  25. 25.A tank has 150 litres of water and 66% of it is used. How many litres are left?
  26. 26.The price of a water bottle comes down from ₹50 to ₹27. What is the percentage decrease?
  27. 27.A team scored 300 runs in one match and 29% fewer in the next. How many runs did it score in the next match?
  28. 28.A tank has 50 litres of water and 48% of it is used. How many litres are left?
  29. 29.A tank has 300 litres of water and 43% of it is used. How many litres are left?
  30. 30.A tank had 300 litres of water. Now it has 66 litres. What is the percentage decrease?
  31. 31.A lunch box costs ₹400. The price comes down by 43%. What is the new price, in rupees?
  32. 32.The price of a cricket bat comes down from ₹300 to ₹210. What is the percentage decrease?
  33. 33.A team scored 60 runs in one match and 33 runs in the next. What is the percentage decrease?
  34. 34.A team scored 200 runs in one match and 49% fewer in the next. How many runs did it score in the next match?
  35. 35.A team scored 80 runs in one match and 8 runs in the next. What is the percentage decrease?
  36. 36.The price of a wall clock comes down from ₹50 to ₹24. What is the percentage decrease?
  37. 37.The price of a school bag comes down from ₹400 to ₹300. What is the percentage decrease?
  38. 38.The price of a toy car comes down from ₹300 to ₹171. What is the percentage decrease?
  39. 39.A team scored 50 runs in one match and 22 runs in the next. What is the percentage decrease?
  40. 40.A tank had 120 litres of water. Now it has 60 litres. What is the percentage decrease?

Answer key

  1. 34
  2. 19
  3. 48
  4. 22
  5. 31
  6. 30
  7. 37
  8. 5
  9. 60
  10. 60
  11. 60
  12. 72
  13. 82
  14. 65
  15. 55
  16. 11
  17. 90
  18. 108
  19. 42
  20. 20
  21. 17
  22. 20
  23. 24
  24. 75
  25. 51
  26. 46
  27. 213
  28. 26
  29. 171
  30. 78
  31. 228
  32. 30
  33. 45
  34. 102
  35. 90
  36. 52
  37. 25
  38. 43
  39. 56
  40. 50

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage