-85.62% is the change from 598 to 86
Calculation steps:
[( 86 - 598 ) ÷ 598] x 100 = -85.62%
Formula
Percentage change = [(86 - 598) / 598] x 100
Subtract the new number by the original number
86 - 598 = -512
-512 ÷ 598 = -0.8561872909698997
-0.8561872909698997 x 100 = -85.62%