223.05% is the change from 256 to 827
Calculation steps:
[( 827 - 256 ) ÷ 256] x 100 = 223.05%
Formula
Percentage change = [(827 - 256) / 256] x 100
Subtract the new number by the original number
827 - 256 = 571
571 ÷ 256 = 2.23046875
2.23046875 x 100 = 223.05%