-52.8% is the change from 858 to 405
Calculation steps:
[( 405 - 858 ) ÷ 858] x 100 = -52.8%
Formula
Percentage change = [(405 - 858) / 858] x 100
Subtract the new number by the original number
405 - 858 = -453
-453 ÷ 858 = -0.527972027972028
-0.527972027972028 x 100 = -52.8%