-52.56% is the change from 858 to 407
Calculation steps:
[( 407 - 858 ) ÷ 858] x 100 = -52.56%
Formula
Percentage change = [(407 - 858) / 858] x 100
Subtract the new number by the original number
407 - 858 = -451
-451 ÷ 858 = -0.5256410256410257
-0.5256410256410257 x 100 = -52.56%