39.64% is the change from 275 to 384
Calculation steps:
[( 384 - 275 ) ÷ 275] x 100 = 39.64%
Formula
Percentage change = [(384 - 275) / 275] x 100
Subtract the new number by the original number
384 - 275 = 109
109 ÷ 275 = 0.39636363636363636
0.39636363636363636 x 100 = 39.64%