265.23% is the change from 256 to 935
Calculation steps:
[( 935 - 256 ) ÷ 256] x 100 = 265.23%
Formula
Percentage change = [(935 - 256) / 256] x 100
Subtract the new number by the original number
935 - 256 = 679
679 ÷ 256 = 2.65234375
2.65234375 x 100 = 265.23%