-20.3% is the change from 724 to 577
Calculation steps:
[( 577 - 724 ) ÷ 724] x 100 = -20.3%
Formula
Percentage change = [(577 - 724) / 724] x 100
Subtract the new number by the original number
577 - 724 = -147
-147 ÷ 724 = -0.20303867403314918
-0.20303867403314918 x 100 = -20.3%