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8th Grade Percentage Increase and Decrease Worksheet — Level 2 — Answers

Answer sheet with worked solutions for the 8th Grade percentages worksheet.

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Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Percentages

8th Grade Percentage Increase and Decrease Worksheet — Level 2 — Answers

Percentage change = change ÷ original amount × 100. Always divide by the original amount.

1.A price changes from $120 to $108. Find the percentage decrease.

Answer: 10%

  1. Change = 120 − 108 = 12
  2. 12 ÷ 120 × 100 = 10%
2.A price changes from $140 to $224. Find the percentage increase.

Answer: 60%

  1. Change = 224 − 140 = 84
  2. 84 ÷ 140 × 100 = 60%
3.A price changes from $360 to $306. Find the percentage decrease.

Answer: 15%

  1. Change = 360 − 306 = 54
  2. 54 ÷ 360 × 100 = 15%
4.A price changes from $380 to $665. Find the percentage increase.

Answer: 75%

  1. Change = 665 − 380 = 285
  2. 285 ÷ 380 × 100 = 75%
5.A price changes from $100 to $70. Find the percentage decrease.

Answer: 30%

  1. Change = 100 − 70 = 30
  2. 30 ÷ 100 × 100 = 30%
6.A price changes from $500 to $560. Find the percentage increase.

Answer: 12%

  1. Change = 560 − 500 = 60
  2. 60 ÷ 500 × 100 = 12%
7.A price changes from $540 to $864. Find the percentage increase.

Answer: 60%

  1. Change = 864 − 540 = 324
  2. 324 ÷ 540 × 100 = 60%
8.A price changes from $760 to $570. Find the percentage decrease.

Answer: 25%

  1. Change = 760 − 570 = 190
  2. 190 ÷ 760 × 100 = 25%
9.A price changes from $560 to $896. Find the percentage increase.

Answer: 60%

  1. Change = 896 − 560 = 336
  2. 336 ÷ 560 × 100 = 60%
10.A price changes from $140 to $154. Find the percentage increase.

Answer: 10%

  1. Change = 154 − 140 = 14
  2. 14 ÷ 140 × 100 = 10%
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