123.92% is the change from 255 to 571
Calculation steps:
[( 571 - 255 ) ÷ 255] x 100 = 123.92%
Formula
Percentage change = [(571 - 255) / 255] x 100
Subtract the new number by the original number
571 - 255 = 316
316 ÷ 255 = 1.2392156862745098
1.2392156862745098 x 100 = 123.92%