-26% is the change from 577 to 427
Calculation steps:
[( 427 - 577 ) ÷ 577] x 100 = -26%
Formula
Percentage change = [(427 - 577) / 577] x 100
Subtract the new number by the original number
427 - 577 = -150
-150 ÷ 577 = -0.25996533795493937
-0.25996533795493937 x 100 = -26%