-44.31% is the change from 255 to 142
Calculation steps:
[( 142 - 255 ) ÷ 255] x 100 = -44.31%
Formula
Percentage change = [(142 - 255) / 255] x 100
Subtract the new number by the original number
142 - 255 = -113
-113 ÷ 255 = -0.44313725490196076
-0.44313725490196076 x 100 = -44.31%