Percent Change

Front

What is percent change?

Back

Percent change is a way to express how much a quantity has increased or decreased relative to its original value, calculated as (New Value - Original Value) / Original Value * 100.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((New Value - Original Value) / Original Value) * 100.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: ((Original Value - New Value) / Original Value) * 100.

Front

What is the percent change from 30 to 110?

Back

267% increase.

Front

What is the percent change from 48 to 36?

Back

25% decrease.

Front

What is the percent change from 80 to 52?

Back

35% decrease.

Front

What is the percent change from 20 miles to 11 miles?

Back

45% decrease.

Front

What is the percent change from $8.75 to $9.50?

Back

9% increase.

Front

If the original price of an item is $50 and it is now $75, what is the percent increase?

Back

50% increase.

Front

If a student scores 90 on a test and then scores 72 on the next test, what is the percent decrease in score?

Back

20% decrease.