-72.96% is the change from 577 to 156
Calculation steps:
[( 156 - 577 ) ÷ 577] x 100 = -72.96%
Formula
Percentage change = [(156 - 577) / 577] x 100
Subtract the new number by the original number
156 - 577 = -421
-421 ÷ 577 = -0.729636048526863
-0.729636048526863 x 100 = -72.96%