-81.6% is the change from 886 to 163
Calculation steps:
[( 163 - 886 ) ÷ 886] x 100 = -81.6%
Formula
Percentage change = [(163 - 886) / 886] x 100
Subtract the new number by the original number
163 - 886 = -723
-723 ÷ 886 = -0.8160270880361173
-0.8160270880361173 x 100 = -81.6%