238.67% is the change from 256 to 867
Calculation steps:
[( 867 - 256 ) ÷ 256] x 100 = 238.67%
Formula
Percentage change = [(867 - 256) / 256] x 100
Subtract the new number by the original number
867 - 256 = 611
611 ÷ 256 = 2.38671875
2.38671875 x 100 = 238.67%