209.77% is the change from 256 to 793
Calculation steps:
[( 793 - 256 ) ÷ 256] x 100 = 209.77%
Formula
Percentage change = [(793 - 256) / 256] x 100
Subtract the new number by the original number
793 - 256 = 537
537 ÷ 256 = 2.09765625
2.09765625 x 100 = 209.77%