-54.74% is the change from 855 to 387
Calculation steps:
[( 387 - 855 ) ÷ 855] x 100 = -54.74%
Formula
Percentage change = [(387 - 855) / 855] x 100
Subtract the new number by the original number
387 - 855 = -468
-468 ÷ 855 = -0.5473684210526316
-0.5473684210526316 x 100 = -54.74%