-86.69% is the change from 571 to 76
Calculation steps:
[( 76 - 571 ) ÷ 571] x 100 = -86.69%
Formula
Percentage change = [(76 - 571) / 571] x 100
Subtract the new number by the original number
76 - 571 = -495
-495 ÷ 571 = -0.8669001751313485
-0.8669001751313485 x 100 = -86.69%