45.14% is the change from 144 to 209
Calculation steps:
[( 209 - 144 ) ÷ 144] x 100 = 45.14%
Formula
Percentage change = [(209 - 144) / 144] x 100
Subtract the new number by the original number
209 - 144 = 65
65 ÷ 144 = 0.4513888888888889
0.4513888888888889 x 100 = 45.14%