186.27% is the change from 255 to 730
Calculation steps:
[( 730 - 255 ) ÷ 255] x 100 = 186.27%
Formula
Percentage change = [(730 - 255) / 255] x 100
Subtract the new number by the original number
730 - 255 = 475
475 ÷ 255 = 1.8627450980392157
1.8627450980392157 x 100 = 186.27%