47.84% is the change from 255 to 377
Calculation steps:
[( 377 - 255 ) ÷ 255] x 100 = 47.84%
Formula
Percentage change = [(377 - 255) / 255] x 100
Subtract the new number by the original number
377 - 255 = 122
122 ÷ 255 = 0.47843137254901963
0.47843137254901963 x 100 = 47.84%