24.27% is the change from 309 to 384
Calculation steps:
[( 384 - 309 ) ÷ 309] x 100 = 24.27%
Formula
Percentage change = [(384 - 309) / 309] x 100
Subtract the new number by the original number
384 - 309 = 75
75 ÷ 309 = 0.24271844660194175
0.24271844660194175 x 100 = 24.27%