11.3% is the change from 345 to 384
Calculation steps:
[( 384 - 345 ) ÷ 345] x 100 = 11.3%
Formula
Percentage change = [(384 - 345) / 345] x 100
Subtract the new number by the original number
384 - 345 = 39
39 ÷ 345 = 0.11304347826086956
0.11304347826086956 x 100 = 11.3%