3.03% is the change from 396 to 408
Calculation steps:
[( 408 - 396 ) ÷ 396] x 100 = 3.03%
Formula
Percentage change = [(408 - 396) / 396] x 100
Subtract the new number by the original number
408 - 396 = 12
12 ÷ 396 = 0.030303030303030304
0.030303030303030304 x 100 = 3.03%