Percent Change

The average cost of a gallon of gas during July was $2.45. The average cost of a gallon of gas during August was $2.78. What is the percent of change in the average cost of a gallon of gas from July to August?

• 13.5% Increase

• 13.5% Decrease

• 33% Increase

• 33% Decrease

Find the percentage change and classify as an increase of decrease:

Original: 10

After: 12

• 20% increase

• 20% decrease

• 2% increase

• 2% decrease

Find the percent change and classify as an increase or decrease:

2004 Cost: $18.77

2006 Cost: $19.17

• 2.1% Increase

• 21% Decrease

• 16% increase

• 200% decrease

Today the price of anew MP3 player is $129. in 2000, the price of a similar device was $240. What is the percent change in the price of a cell phone from 2000 to today?

• 46.3% decrease

• 63.7% increase

• 40% increase

There were 134 people in the attendance at the school football game last Friday. This week there were 246 people in the attendance at the school football game. What is the percent of change from last week to this week?

• 83.6% increase

• 83.6% decrease

• 33% Increase

• 33% decrease

It costs Charlie's Car repair shop $27 to change the oil. The shop charges their customers $40 for an oil change. What is the percent of markup in the cost of an oil change?

• 48.1% increase

• 48.1% Decrease

• 52% increase

• 52% decrease

On Monday, Jake could lift 25 lbs. One month later he could lift 45 lbs. What is the percent of change in the number of pounds he can lift?

• 80% increase

• 50% increase

• 25% increase

• 40% increase

Olivia scored 82 points on the first math test of the year. ON the second math test, she scored 78 points. What is the percent of change in the number of points she scored between the first and second tests?

• 4.9% Decrease

• 4.9% Increase

• 10% Increase

• 10% Decrease

In Orlando, Florida, the high temperature was 85 degrees on Saturday and 79 degrees on Sunday. What is the percent of change in the high temperature from Saturday to Sunday?

• 7.1% Decrease

• 7.1% Increase

• 14% increase

• 14% decrease

Stock in Apple Company went from $26 a share to $14. What is the percent of change in the price of a share of stock in the company?

• 10.9% increase

• 46.2% decrease

• 13% Increase

• 13.2% decrease