-63.4% is the change from 858 to 314
Calculation steps:
[( 314 - 858 ) ÷ 858] x 100 = -63.4%
Formula
Percentage change = [(314 - 858) / 858] x 100
Subtract the new number by the original number
314 - 858 = -544
-544 ÷ 858 = -0.634032634032634
-0.634032634032634 x 100 = -63.4%