-89.72% is the change from 885 to 91
Calculation steps:
[( 91 - 885 ) ÷ 885] x 100 = -89.72%
Formula
Percentage change = [(91 - 885) / 885] x 100
Subtract the new number by the original number
91 - 885 = -794
-794 ÷ 885 = -0.8971751412429378
-0.8971751412429378 x 100 = -89.72%