Percent vs Amount of Change

Find the percent of change from $52 to $125. Round your answer to the nearest whole percent.

Find the percent of change from 10 inches to 14 inches.

Find the percent of change from 48 to 36.

Last school year the enrollment of E.O Green junior high school was 1275 students. This year the enrollment is 1350. Find the percent of change. Round your answer to the nearest whole percent AND include whether it is an increase or a decrease.

What is the percent change when a quantity increases from 100 to 150?

• 25%

• 50%

• 75%

• 100%

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent change?

• 24%

• 20%

• 11%

• 50%

Find the percent change.
Original amount:  16
New amount: 11

• 5%

• 31%

• .3%

• 56%

Calculate the percent change from 50 to 75.

• 25%

• 50%

• 75%

• 100%

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%

• Increase 19%

• Decrease 24%

• Decrease 19%

The value of a new iphone is $550, but after a year or two of use the value drops to $300. What is the percent change in the value of an iPhone?