Percent Change

Front

What is percent change?

Back

Percent change is a way to express a change in a quantity as a percentage of the original amount. It is calculated using the formula: ((New Amount - Original Amount) / Original Amount) x 100.

Front

How do you calculate percent increase?

Back

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

Front

How do you calculate percent decrease?

Back

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

Front

What is the percent change from 10 to 12?

Back

20%.

Front

What is the percent increase from 13 to 14?

Back

8%.

Front

What is the percent decrease from $65.50 to $52.40?

Back

20%.

Front

What is the percent increase from 32 to 45?

Back

41%.

Front

What is the percent decrease from 90 to 45?

Back

50%.

Front

If an item costs $100 and is on sale for $80, what is the percent decrease?

Back

20%.

Front

If a population increases from 200 to 250, what is the percent increase?

Back

25%.