-78.6% is the change from 855 to 183
Calculation steps:
[( 183 - 855 ) ÷ 855] x 100 = -78.6%
Formula
Percentage change = [(183 - 855) / 855] x 100
Subtract the new number by the original number
183 - 855 = -672
-672 ÷ 855 = -0.7859649122807018
-0.7859649122807018 x 100 = -78.6%