-52.68% is the change from 858 to 406
Calculation steps:
[( 406 - 858 ) ÷ 858] x 100 = -52.68%
Formula
Percentage change = [(406 - 858) / 858] x 100
Subtract the new number by the original number
406 - 858 = -452
-452 ÷ 858 = -0.5268065268065268
-0.5268065268065268 x 100 = -52.68%