260.16% is the change from 256 to 922
Calculation steps:
[( 922 - 256 ) ÷ 256] x 100 = 260.16%
Formula
Percentage change = [(922 - 256) / 256] x 100
Subtract the new number by the original number
922 - 256 = 666
666 ÷ 256 = 2.6015625
2.6015625 x 100 = 260.16%