-31.82% is the change from 858 to 585
Calculation steps:
[( 585 - 858 ) ÷ 858] x 100 = -31.82%
Formula
Percentage change = [(585 - 858) / 858] x 100
Subtract the new number by the original number
585 - 858 = -273
-273 ÷ 858 = -0.3181818181818182
-0.3181818181818182 x 100 = -31.82%