25.49% is the change from 306 to 384
Calculation steps:
[( 384 - 306 ) ÷ 306] x 100 = 25.49%
Formula
Percentage change = [(384 - 306) / 306] x 100
Subtract the new number by the original number
384 - 306 = 78
78 ÷ 306 = 0.2549019607843137
0.2549019607843137 x 100 = 25.49%