245.31% is the change from 256 to 884
Calculation steps:
[( 884 - 256 ) ÷ 256] x 100 = 245.31%
Formula
Percentage change = [(884 - 256) / 256] x 100
Subtract the new number by the original number
884 - 256 = 628
628 ÷ 256 = 2.453125
2.453125 x 100 = 245.31%