-57.65% is the change from 255 to 108
Calculation steps:
[( 108 - 255 ) ÷ 255] x 100 = -57.65%
Formula
Percentage change = [(108 - 255) / 255] x 100
Subtract the new number by the original number
108 - 255 = -147
-147 ÷ 255 = -0.5764705882352941
-0.5764705882352941 x 100 = -57.65%