# How do you find the percent of increase or decrease given 5m to 4.5 m?

##### 1 Answer

May 30, 2016

#### Explanation:

5m to 4.5m is a 0.5m decrease.

To calculate as a percentage decrease express the decrease (0.5) as a fraction of the original amount (5) and multiply by 100.

#rArr0.5/5xx100/1=0.5/(cancel(5)^1)xxcancel(100)^20=0.5xx20=10#