-53.15% is the change from 858 to 402
Calculation steps:
[( 402 - 858 ) ÷ 858] x 100 = -53.15%
Formula
Percentage change = [(402 - 858) / 858] x 100
Subtract the new number by the original number
402 - 858 = -456
-456 ÷ 858 = -0.5314685314685315
-0.5314685314685315 x 100 = -53.15%