120.78% is the change from 255 to 563
Calculation steps:
[( 563 - 255 ) ÷ 255] x 100 = 120.78%
Formula
Percentage change = [(563 - 255) / 255] x 100
Subtract the new number by the original number
563 - 255 = 308
308 ÷ 255 = 1.2078431372549019
1.2078431372549019 x 100 = 120.78%