-81.39% is the change from 462 to 86
Calculation steps:
[( 86 - 462 ) ÷ 462] x 100 = -81.39%
Formula
Percentage change = [(86 - 462) / 462] x 100
Subtract the new number by the original number
86 - 462 = -376
-376 ÷ 462 = -0.8138528138528138
-0.8138528138528138 x 100 = -81.39%