-81.73% is the change from 865 to 158
Calculation steps:
[( 158 - 865 ) ÷ 865] x 100 = -81.73%
Formula
Percentage change = [(158 - 865) / 865] x 100
Subtract the new number by the original number
158 - 865 = -707
-707 ÷ 865 = -0.8173410404624277
-0.8173410404624277 x 100 = -81.73%