-59.21% is the change from 858 to 350
Calculation steps:
[( 350 - 858 ) ÷ 858] x 100 = -59.21%
Formula
Percentage change = [(350 - 858) / 858] x 100
Subtract the new number by the original number
350 - 858 = -508
-508 ÷ 858 = -0.5920745920745921
-0.5920745920745921 x 100 = -59.21%