174.61% is the change from 256 to 703
Calculation steps:
[( 703 - 256 ) ÷ 256] x 100 = 174.61%
Formula
Percentage change = [(703 - 256) / 256] x 100
Subtract the new number by the original number
703 - 256 = 447
447 ÷ 256 = 1.74609375
1.74609375 x 100 = 174.61%