-88.12% is the change from 724 to 86
Calculation steps:
[( 86 - 724 ) ÷ 724] x 100 = -88.12%
Formula
Percentage change = [(86 - 724) / 724] x 100
Subtract the new number by the original number
86 - 724 = -638
-638 ÷ 724 = -0.8812154696132597
-0.8812154696132597 x 100 = -88.12%