-46.5% is the change from 858 to 459
Calculation steps:
[( 459 - 858 ) ÷ 858] x 100 = -46.5%
Formula
Percentage change = [(459 - 858) / 858] x 100
Subtract the new number by the original number
459 - 858 = -399
-399 ÷ 858 = -0.46503496503496505
-0.46503496503496505 x 100 = -46.5%