205.49% is the change from 255 to 779
Calculation steps:
[( 779 - 255 ) ÷ 255] x 100 = 205.49%
Formula
Percentage change = [(779 - 255) / 255] x 100
Subtract the new number by the original number
779 - 255 = 524
524 ÷ 255 = 2.0549019607843135
2.0549019607843135 x 100 = 205.49%