## Percent Change

#### Percent Increase

Percent Decrease

Use when comparing an old value to a new value or when comparing a start value to an end value.

A positive answer for percent change represents a percent increase.

A negative answer for percent change represents a percent decrease.

Percent Change =

End Value - Start Valueabs(Start Value)

x 100%

(where abs = absolute value)

(Enter values into the blue boxes. Answer will appear in the black box.)

Answers are rounded to 7 decimal places.

## Examples

Example 1:

You start with 5 cookies and now you have 3 cookies.

What is the percent change in cookies?

Start Value = 5

End Value = 3

Percent Change = -40%

The negative sign for percent change represents a percent decrease.

Click to show this example in the calculator above.
Example 2:

You open a bank account and deposit $200. After one year, the amount in the bank account is $209.88

What is the percent change in the amount of money in the bank?

Start Value = 200

End Value = 209.88

Percent Change = 4.94%

The positive value for percent change represents a percent increase.

Click to show this example in the calculator above.
Example 3:

The price of a computer was $399.00

The price has been reduced to $299.00

What is the percent change in the price of the computer?

Start Value = 399.00

End Value = 299.00

Percent Change = -25.06%

The negative sign for percent change represents a percent decrease in price.

Click to show this example in the calculator above.