94.92% is the change from 256 to 499
Calculation steps:
[( 499 - 256 ) ÷ 256] x 100 = 94.92%
Formula
Percentage change = [(499 - 256) / 256] x 100
Subtract the new number by the original number
499 - 256 = 243
243 ÷ 256 = 0.94921875
0.94921875 x 100 = 94.92%