-81.26% is the change from 886 to 166
Calculation steps:
[( 166 - 886 ) ÷ 886] x 100 = -81.26%
Formula
Percentage change = [(166 - 886) / 886] x 100
Subtract the new number by the original number
166 - 886 = -720
-720 ÷ 886 = -0.8126410835214447
-0.8126410835214447 x 100 = -81.26%