-85.31% is the change from 858 to 126
Calculation steps:
[( 126 - 858 ) ÷ 858] x 100 = -85.31%
Formula
Percentage change = [(126 - 858) / 858] x 100
Subtract the new number by the original number
126 - 858 = -732
-732 ÷ 858 = -0.8531468531468531
-0.8531468531468531 x 100 = -85.31%