92.58% is the change from 256 to 493
Calculation steps:
[( 493 - 256 ) ÷ 256] x 100 = 92.58%
Formula
Percentage change = [(493 - 256) / 256] x 100
Subtract the new number by the original number
493 - 256 = 237
237 ÷ 256 = 0.92578125
0.92578125 x 100 = 92.58%