-54.15% is the change from 855 to 392
Calculation steps:
[( 392 - 855 ) ÷ 855] x 100 = -54.15%
Formula
Percentage change = [(392 - 855) / 855] x 100
Subtract the new number by the original number
392 - 855 = -463
-463 ÷ 855 = -0.5415204678362573
-0.5415204678362573 x 100 = -54.15%