191.02% is the change from 256 to 745
Calculation steps:
[( 745 - 256 ) ÷ 256] x 100 = 191.02%
Formula
Percentage change = [(745 - 256) / 256] x 100
Subtract the new number by the original number
745 - 256 = 489
489 ÷ 256 = 1.91015625
1.91015625 x 100 = 191.02%