Percent of change

Find the percent of change from a 28 to a 21

Step 1: Subtract28-21 = 7

Step 2: Make a fraction DifferenceOriginal amount7

28Step 3: Reduce (if possible)

14

Step 4: Set up and solve a proportion using X100

Step 5: Label the change as an increase or decrease25% decrease

Find the percent of change from an 8 to a 13

Step 1: Subtract13-8 = 5

Step 2: Make a fraction DifferenceOriginal amount5

8Step 3: Reduce (if possible)Step 4: Set up and solve a proportion using X

100Step 5: Label the change as an increase or decrease

62.5% increase