-85.69% is the change from 601 to 86
Calculation steps:
[( 86 - 601 ) ÷ 601] x 100 = -85.69%
Formula
Percentage change = [(86 - 601) / 601] x 100
Subtract the new number by the original number
86 - 601 = -515
-515 ÷ 601 = -0.8569051580698835
-0.8569051580698835 x 100 = -85.69%