121.53% is the change from 144 to 319
Calculation steps:
[( 319 - 144 ) ÷ 144] x 100 = 121.53%
Formula
Percentage change = [(319 - 144) / 144] x 100
Subtract the new number by the original number
319 - 144 = 175
175 ÷ 144 = 1.2152777777777777
1.2152777777777777 x 100 = 121.53%