135.69% is the change from 255 to 601
Calculation steps:
[( 601 - 255 ) ÷ 255] x 100 = 135.69%
Formula
Percentage change = [(601 - 255) / 255] x 100
Subtract the new number by the original number
601 - 255 = 346
346 ÷ 255 = 1.3568627450980393
1.3568627450980393 x 100 = 135.69%