176.56% is the change from 256 to 708
Calculation steps:
[( 708 - 256 ) ÷ 256] x 100 = 176.56%
Formula
Percentage change = [(708 - 256) / 256] x 100
Subtract the new number by the original number
708 - 256 = 452
452 ÷ 256 = 1.765625
1.765625 x 100 = 176.56%