80.78% is the change from 255 to 461
Calculation steps:
[( 461 - 255 ) ÷ 255] x 100 = 80.78%
Formula
Percentage change = [(461 - 255) / 255] x 100
Subtract the new number by the original number
461 - 255 = 206
206 ÷ 255 = 0.807843137254902
0.807843137254902 x 100 = 80.78%