51.39% is the change from 144 to 218
Calculation steps:
[( 218 - 144 ) ÷ 144] x 100 = 51.39%
Formula
Percentage change = [(218 - 144) / 144] x 100
Subtract the new number by the original number
218 - 144 = 74
74 ÷ 144 = 0.5138888888888888
0.5138888888888888 x 100 = 51.39%