-87.39% is the change from 682 to 86
Calculation steps:
[( 86 - 682 ) ÷ 682] x 100 = -87.39%
Formula
Percentage change = [(86 - 682) / 682] x 100
Subtract the new number by the original number
86 - 682 = -596
-596 ÷ 682 = -0.873900293255132
-0.873900293255132 x 100 = -87.39%