10.83% is the change from 360 to 399
Calculation steps:
[( 399 - 360 ) ÷ 360] x 100 = 10.83%
Formula
Percentage change = [(399 - 360) / 360] x 100
Subtract the new number by the original number
399 - 360 = 39
39 ÷ 360 = 0.10833333333333334
0.10833333333333334 x 100 = 10.83%