-83.58% is the change from 865 to 142
Calculation steps:
[( 142 - 865 ) ÷ 865] x 100 = -83.58%
Formula
Percentage change = [(142 - 865) / 865] x 100
Subtract the new number by the original number
142 - 865 = -723
-723 ÷ 865 = -0.8358381502890173
-0.8358381502890173 x 100 = -83.58%