-78.83% is the change from 855 to 181
Calculation steps:
[( 181 - 855 ) ÷ 855] x 100 = -78.83%
Formula
Percentage change = [(181 - 855) / 855] x 100
Subtract the new number by the original number
181 - 855 = -674
-674 ÷ 855 = -0.7883040935672515
-0.7883040935672515 x 100 = -78.83%