Percent of Change

The amount of time allowed for a test is changed from 20 minutes to 42 minutes. What is the percent of change for the time allowed for a test?

• 47.6% increase

• 110% increase

• 110% decrease

• 47.6% decrease

Snowfall for December was 4 inches, but in January it was 20 inches. This is a ____% increase from December to January.

• 20%

• 500%

• 400%

• 300%

Last year the enrollment at Clark Middle School was 465 students. This year the enrollment is 525 students. What is the percent of increase? Round to the nearest percent.

• 113%

• 100%

• 13%

• 87%

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

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.

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

Find the percent of change from 48 to 36.

Find the percent of change if Eddie started with 20 tickets and ended with 30 tickets.

• Increase 10 tickets

• Increase 50%

• Increase 33%

• Decrease 50%

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%

Find the PERCENT of change.
20 dogs to 5 dogs

• Decrease 15%

• Increase 15%

• Increase 75%

• Decrease 75%