-43.92% is the change from 255 to 143
Calculation steps:
[( 143 - 255 ) ÷ 255] x 100 = -43.92%
Formula
Percentage change = [(143 - 255) / 255] x 100
Subtract the new number by the original number
143 - 255 = -112
-112 ÷ 255 = -0.4392156862745098
-0.4392156862745098 x 100 = -43.92%