-86.19% is the change from 724 to 100
Calculation steps:
[( 100 - 724 ) ÷ 724] x 100 = -86.19%
Formula
Percentage change = [(100 - 724) / 724] x 100
Subtract the new number by the original number
100 - 724 = -624
-624 ÷ 724 = -0.861878453038674
-0.861878453038674 x 100 = -86.19%