7th Grade Percentage Increase and Decrease Worksheet — Level 1 — Practice Set 2 — 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 — Practice Set 2 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $260 to $234. Find the percentage decrease.
Answer: 10%
- Change = 260 − 234 = 26
- 26 ÷ 260 × 100 = 10%
2.A price changes from $360 to $540. Find the percentage increase.
Answer: 50%
- Change = 540 − 360 = 180
- 180 ÷ 360 × 100 = 50%
3.A price changes from $380 to $285. Find the percentage decrease.
Answer: 25%
- Change = 380 − 285 = 95
- 95 ÷ 380 × 100 = 25%
4.A price changes from $360 to $450. Find the percentage increase.
Answer: 25%
- Change = 450 − 360 = 90
- 90 ÷ 360 × 100 = 25%
5.A price changes from $30 to $45. Find the percentage increase.
Answer: 50%
- Change = 45 − 30 = 15
- 15 ÷ 30 × 100 = 50%
6.A price changes from $60 to $75. Find the percentage increase.
Answer: 25%
- Change = 75 − 60 = 15
- 15 ÷ 60 × 100 = 25%
7.A price changes from $20 to $22. Find the percentage increase.
Answer: 10%
- Change = 22 − 20 = 2
- 2 ÷ 20 × 100 = 10%
8.A price changes from $220 to $198. Find the percentage decrease.
Answer: 10%
- Change = 220 − 198 = 22
- 22 ÷ 220 × 100 = 10%
9.A price changes from $140 to $154. Find the percentage increase.
Answer: 10%
- Change = 154 − 140 = 14
- 14 ÷ 140 × 100 = 10%
10.A price changes from $380 to $190. Find the percentage decrease.
Answer: 50%
- Change = 380 − 190 = 190
- 190 ÷ 380 × 100 = 50%
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