-84.39% is the change from 865 to 135
Calculation steps:
[( 135 - 865 ) ÷ 865] x 100 = -84.39%
Formula
Percentage change = [(135 - 865) / 865] x 100
Subtract the new number by the original number
135 - 865 = -730
-730 ÷ 865 = -0.8439306358381503
-0.8439306358381503 x 100 = -84.39%