-54.31% is the change from 858 to 392
Calculation steps:
[( 392 - 858 ) ÷ 858] x 100 = -54.31%
Formula
Percentage change = [(392 - 858) / 858] x 100
Subtract the new number by the original number
392 - 858 = -466
-466 ÷ 858 = -0.5431235431235432
-0.5431235431235432 x 100 = -54.31%