-95.35% is the change from 86 to 4
Calculation steps:
[( 4 - 86 ) ÷ 86] x 100 = -95.35%
Formula
Percentage change = [(4 - 86) / 86] x 100
Subtract the new number by the original number
4 - 86 = -82
-82 ÷ 86 = -0.9534883720930233
-0.9534883720930233 x 100 = -95.35%