-30.16% is the change from 577 to 403
Calculation steps:
[( 403 - 577 ) ÷ 577] x 100 = -30.16%
Formula
Percentage change = [(403 - 577) / 577] x 100
Subtract the new number by the original number
403 - 577 = -174
-174 ÷ 577 = -0.30155979202772965
-0.30155979202772965 x 100 = -30.16%