109.38% is the change from 256 to 536
Calculation steps:
[( 536 - 256 ) ÷ 256] x 100 = 109.38%
Formula
Percentage change = [(536 - 256) / 256] x 100
Subtract the new number by the original number
536 - 256 = 280
280 ÷ 256 = 1.09375
1.09375 x 100 = 109.38%