-85.71% is the change from 602 to 86
Calculation steps:
[( 86 - 602 ) ÷ 602] x 100 = -85.71%
Formula
Percentage change = [(86 - 602) / 602] x 100
Subtract the new number by the original number
86 - 602 = -516
-516 ÷ 602 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%