181.25% is the change from 256 to 720
Calculation steps:
[( 720 - 256 ) ÷ 256] x 100 = 181.25%
Formula
Percentage change = [(720 - 256) / 256] x 100
Subtract the new number by the original number
720 - 256 = 464
464 ÷ 256 = 1.8125
1.8125 x 100 = 181.25%