38.13% is the change from 278 to 384
Calculation steps:
[( 384 - 278 ) ÷ 278] x 100 = 38.13%
Formula
Percentage change = [(384 - 278) / 278] x 100
Subtract the new number by the original number
384 - 278 = 106
106 ÷ 278 = 0.381294964028777
0.381294964028777 x 100 = 38.13%