-53.68% is the change from 855 to 396
Calculation steps:
[( 396 - 855 ) ÷ 855] x 100 = -53.68%
Formula
Percentage change = [(396 - 855) / 855] x 100
Subtract the new number by the original number
396 - 855 = -459
-459 ÷ 855 = -0.5368421052631579
-0.5368421052631579 x 100 = -53.68%