200.39% is the change from 256 to 769
Calculation steps:
[( 769 - 256 ) ÷ 256] x 100 = 200.39%
Formula
Percentage change = [(769 - 256) / 256] x 100
Subtract the new number by the original number
769 - 256 = 513
513 ÷ 256 = 2.00390625
2.00390625 x 100 = 200.39%