-51.28% is the change from 858 to 418
Calculation steps:
[( 418 - 858 ) ÷ 858] x 100 = -51.28%
Formula
Percentage change = [(418 - 858) / 858] x 100
Subtract the new number by the original number
418 - 858 = -440
-440 ÷ 858 = -0.5128205128205128
-0.5128205128205128 x 100 = -51.28%