-85.07% is the change from 576 to 86
Calculation steps:
[( 86 - 576 ) ÷ 576] x 100 = -85.07%
Formula
Percentage change = [(86 - 576) / 576] x 100
Subtract the new number by the original number
86 - 576 = -490
-490 ÷ 576 = -0.8506944444444444
-0.8506944444444444 x 100 = -85.07%