-83.92% is the change from 255 to 41
Calculation steps:
[( 41 - 255 ) ÷ 255] x 100 = -83.92%
Formula
Percentage change = [(41 - 255) / 255] x 100
Subtract the new number by the original number
41 - 255 = -214
-214 ÷ 255 = -0.8392156862745098
-0.8392156862745098 x 100 = -83.92%