-87.69% is the change from 577 to 71
Calculation steps:
[( 71 - 577 ) ÷ 577] x 100 = -87.69%
Formula
Percentage change = [(71 - 577) / 577] x 100
Subtract the new number by the original number
71 - 577 = -506
-506 ÷ 577 = -0.8769497400346621
-0.8769497400346621 x 100 = -87.69%