11.7% is the change from 393 to 439
Calculation steps:
[( 439 - 393 ) ÷ 393] x 100 = 11.7%
Formula
Percentage change = [(439 - 393) / 393] x 100
Subtract the new number by the original number
439 - 393 = 46
46 ÷ 393 = 0.11704834605597965
0.11704834605597965 x 100 = 11.7%