-89.78% is the change from 724 to 74
Calculation steps:
[( 74 - 724 ) ÷ 724] x 100 = -89.78%
Formula
Percentage change = [(74 - 724) / 724] x 100
Subtract the new number by the original number
74 - 724 = -650
-650 ÷ 724 = -0.8977900552486188
-0.8977900552486188 x 100 = -89.78%