Percent of Increase 
(or Decrease)
 

 

Percent of Increase(or Decrease)

Find the difference between original and new values, identify the value as the "change."

 Create a ratio between the change and the original value.

Rewrite the ratio as a fraction.

Convert the fraction to a decimal.

Convert the decimal to a percent.

 

 

  

Given a start (original) value and a new value, compute the percent of increase or decrease.

Original New Change Ratio Fraction Decimal Percent
50 65 15 15 : 50

15

50

               .30

   15 | 50.00

 30%
     

 

 :

            

    

  

 %