-79.7% is the change from 724 to 147
Calculation steps:
[( 147 - 724 ) ÷ 724] x 100 = -79.7%
Formula
Percentage change = [(147 - 724) / 724] x 100
Subtract the new number by the original number
147 - 724 = -577
-577 ÷ 724 = -0.7969613259668509
-0.7969613259668509 x 100 = -79.7%