-35.69% is the change from 255 to 164
Calculation steps:
[( 164 - 255 ) ÷ 255] x 100 = -35.69%
Formula
Percentage change = [(164 - 255) / 255] x 100
Subtract the new number by the original number
164 - 255 = -91
-91 ÷ 255 = -0.3568627450980392
-0.3568627450980392 x 100 = -35.69%