77.78% is the change from 144 to 256
Calculation steps:
[( 256 - 144 ) ÷ 144] x 100 = 77.78%
Formula
Percentage change = [(256 - 144) / 144] x 100
Subtract the new number by the original number
256 - 144 = 112
112 ÷ 144 = 0.7777777777777778
0.7777777777777778 x 100 = 77.78%