67.93% is the change from 184 to 309
Calculation steps:
[( 309 - 184 ) ÷ 184] x 100 = 67.93%
Formula
Percentage change = [(309 - 184) / 184] x 100
Subtract the new number by the original number
309 - 184 = 125
125 ÷ 184 = 0.6793478260869565
0.6793478260869565 x 100 = 67.93%