126.27% is the change from 255 to 577
Calculation steps:
[( 577 - 255 ) ÷ 255] x 100 = 126.27%
Formula
Percentage change = [(577 - 255) / 255] x 100
Subtract the new number by the original number
577 - 255 = 322
322 ÷ 255 = 1.2627450980392156
1.2627450980392156 x 100 = 126.27%