-53.03% is the change from 577 to 271
Calculation steps:
[( 271 - 577 ) ÷ 577] x 100 = -53.03%
Formula
Percentage change = [(271 - 577) / 577] x 100
Subtract the new number by the original number
271 - 577 = -306
-306 ÷ 577 = -0.5303292894280762
-0.5303292894280762 x 100 = -53.03%