123.53% is the change from 255 to 570
Calculation steps:
[( 570 - 255 ) ÷ 255] x 100 = 123.53%
Formula
Percentage change = [(570 - 255) / 255] x 100
Subtract the new number by the original number
570 - 255 = 315
315 ÷ 255 = 1.2352941176470589
1.2352941176470589 x 100 = 123.53%