Grade 8 Math: Percent of Change
This worksheet focuses on calculating and understanding percent of change, including percent increase and percent decrease, for grade 8 students.
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Grade 8 Math: Percent of Change
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Read each question carefully and calculate the percent of change. Remember to state if it's a percent increase or decrease. Round your answers to the nearest tenth of a percent where necessary.
1. To calculate the percent of change, you find the between the new value and the original value, divide it by the value, and then multiply by 100.
2. If the new value is greater than the original value, it is a percent .
3. If the new value is less than the original value, it is a percent .
1. A shirt that originally cost $25 is now on sale for $20. What is the percent of change?
2. The population of a town increased from 8,000 residents to 9,200 residents. What is the percent of change?
3. A stock price dropped from $150 to $120. What is the percent of change?
1. A percent increase means the new value is smaller than the original value.
True
False
2. If an item's price changes from $50 to $60, the percent increase is 20%.
True
False
1. A student's score on a test increased from 40 points to 50 points. What is the percent increase?
10%
20%
25%
50%
2. The price of a gallon of gas decreased from $4.00 to $3.60. What is the percent decrease?
10%
11.1%
40%
4%
1. A collector bought a comic book for $75. A year later, its value increased by 40%. What is the new value of the comic book?
2. A jacket was originally priced at $120. It is now on sale for 30% off. What is the sale price of the jacket?