139.45% is the change from 256 to 613
Calculation steps:
[( 613 - 256 ) ÷ 256] x 100 = 139.45%
Formula
Percentage change = [(613 - 256) / 256] x 100
Subtract the new number by the original number
613 - 256 = 357
357 ÷ 256 = 1.39453125
1.39453125 x 100 = 139.45%