Subtract to find the amount of change

New measurement original measurement \ \

79 32

= 47                   (Subtract: 79 32 = 47)

Write a ratio that compares the amount of change to the original amount.Express the ratio as a percent.

Percent change = .

               (Divide: )

Write decimal as percent.

Multiply by 100 and add .

             (Multiply: )

The percent of change is about .In this case, the percent of change is a percent of increase.