-64.57% is the change from 858 to 304
Calculation steps:
[( 304 - 858 ) ÷ 858] x 100 = -64.57%
Formula
Percentage change = [(304 - 858) / 858] x 100
Subtract the new number by the original number
304 - 858 = -554
-554 ÷ 858 = -0.6456876456876457
-0.6456876456876457 x 100 = -64.57%