-42.92% is the change from 855 to 488
Calculation steps:
[( 488 - 855 ) ÷ 855] x 100 = -42.92%
Formula
Percentage change = [(488 - 855) / 855] x 100
Subtract the new number by the original number
488 - 855 = -367
-367 ÷ 855 = -0.42923976608187137
-0.42923976608187137 x 100 = -42.92%