-89.59% is the change from 874 to 91
Calculation steps:
[( 91 - 874 ) ÷ 874] x 100 = -89.59%
Formula
Percentage change = [(91 - 874) / 874] x 100
Subtract the new number by the original number
91 - 874 = -783
-783 ÷ 874 = -0.8958810068649885
-0.8958810068649885 x 100 = -89.59%