-52.33% is the change from 858 to 409
Calculation steps:
[( 409 - 858 ) ÷ 858] x 100 = -52.33%
Formula
Percentage change = [(409 - 858) / 858] x 100
Subtract the new number by the original number
409 - 858 = -449
-449 ÷ 858 = -0.5233100233100233
-0.5233100233100233 x 100 = -52.33%