-71.22% is the change from 886 to 255
Calculation steps:
[( 255 - 886 ) ÷ 886] x 100 = -71.22%
Formula
Percentage change = [(255 - 886) / 886] x 100
Subtract the new number by the original number
255 - 886 = -631
-631 ÷ 886 = -0.7121896162528216
-0.7121896162528216 x 100 = -71.22%