-54.78% is the change from 858 to 388
Calculation steps:
[( 388 - 858 ) ÷ 858] x 100 = -54.78%
Formula
Percentage change = [(388 - 858) / 858] x 100
Subtract the new number by the original number
388 - 858 = -470
-470 ÷ 858 = -0.5477855477855478
-0.5477855477855478 x 100 = -54.78%