-89.73% is the change from 886 to 91
Calculation steps:
[( 91 - 886 ) ÷ 886] x 100 = -89.73%
Formula
Percentage change = [(91 - 886) / 886] x 100
Subtract the new number by the original number
91 - 886 = -795
-795 ÷ 886 = -0.8972911963882618
-0.8972911963882618 x 100 = -89.73%