-55.94% is the change from 858 to 378
Calculation steps:
[( 378 - 858 ) ÷ 858] x 100 = -55.94%
Formula
Percentage change = [(378 - 858) / 858] x 100
Subtract the new number by the original number
378 - 858 = -480
-480 ÷ 858 = -0.5594405594405595
-0.5594405594405595 x 100 = -55.94%