-94.29% is the change from 858 to 49
Calculation steps:
[( 49 - 858 ) ÷ 858] x 100 = -94.29%
Formula
Percentage change = [(49 - 858) / 858] x 100
Subtract the new number by the original number
49 - 858 = -809
-809 ÷ 858 = -0.9428904428904429
-0.9428904428904429 x 100 = -94.29%