-42.77% is the change from 858 to 491
Calculation steps:
[( 491 - 858 ) ÷ 858] x 100 = -42.77%
Formula
Percentage change = [(491 - 858) / 858] x 100
Subtract the new number by the original number
491 - 858 = -367
-367 ÷ 858 = -0.42773892773892774
-0.42773892773892774 x 100 = -42.77%