178.13% is the change from 256 to 712
Calculation steps:
[( 712 - 256 ) ÷ 256] x 100 = 178.13%
Formula
Percentage change = [(712 - 256) / 256] x 100
Subtract the new number by the original number
712 - 256 = 456
456 ÷ 256 = 1.78125
1.78125 x 100 = 178.13%