-81.11% is the change from 863 to 163
Calculation steps:
[( 163 - 863 ) ÷ 863] x 100 = -81.11%
Formula
Percentage change = [(163 - 863) / 863] x 100
Subtract the new number by the original number
163 - 863 = -700
-700 ÷ 863 = -0.8111239860950173
-0.8111239860950173 x 100 = -81.11%