7th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 7th Grade percentages worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Percentages7th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $150 to $120. Find the percentage decrease.
Answer: 20%
- Change = 150 − 120 = 30
- 30 ÷ 150 × 100 = 20%
2.A price changes from $130 to $104. Find the percentage decrease.
Answer: 20%
- Change = 130 − 104 = 26
- 26 ÷ 130 × 100 = 20%
3.A price changes from $240 to $264. Find the percentage increase.
Answer: 10%
- Change = 264 − 240 = 24
- 24 ÷ 240 × 100 = 10%
4.A price changes from $350 to $315. Find the percentage decrease.
Answer: 10%
- Change = 350 − 315 = 35
- 35 ÷ 350 × 100 = 10%
5.A price changes from $400 to $480. Find the percentage increase.
Answer: 20%
- Change = 480 − 400 = 80
- 80 ÷ 400 × 100 = 20%
6.A price changes from $220 to $264. Find the percentage increase.
Answer: 20%
- Change = 264 − 220 = 44
- 44 ÷ 220 × 100 = 20%
7.A price changes from $250 to $375. Find the percentage increase.
Answer: 50%
- Change = 375 − 250 = 125
- 125 ÷ 250 × 100 = 50%
8.A price changes from $170 to $204. Find the percentage increase.
Answer: 20%
- Change = 204 − 170 = 34
- 34 ÷ 170 × 100 = 20%
9.A price changes from $280 to $140. Find the percentage decrease.
Answer: 50%
- Change = 280 − 140 = 140
- 140 ÷ 280 × 100 = 50%
10.A price changes from $190 to $285. Find the percentage increase.
Answer: 50%
- Change = 285 − 190 = 95
- 95 ÷ 190 × 100 = 50%
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