Understanding Percent of Change

What does the percent of change describe?

• The absolute change in value

• The new value only

• The original value only

• The change over time as a percentage

How do you calculate the percent of change?

• Add the original and new values

• Divide the new value by the original value

• Subtract the original value from the new value

• Divide the change by the original value and multiply by 100

In the stock price example, what was the percent decrease?

• 25%

• 15%

• 20%

• 30%

What was the original enrollment at Austin Middle School?

• 56 students

• 460 students

• 500 students

• 600 students

What was the percent increase in enrollment at Austin Middle School?

• 20%

• 15%

• 10%

• 5%

What was the original gas price per gallon in Texas in 2020?

• $2.85

• $2.15

• $1.95

• $3.00

What was the percent increase in gas prices from 2020 to 2021?

• 25%

• 40%

• 50%

• 32.56%

How many movie tickets were sold in 2019 in the US and Canada?

• 500 million

• 1,000 million

• 1,200 million

• 220 million

What was the percent decrease in movie ticket sales from 2019 to 2020?

• 90%

• 81.67%

• 60%

• 50%

Which scenario had the greatest percent of change?

• Delayed flights

• Gas prices

• Airplane ticket price

• Tablet storage capacity