30.05% is the change from 396 to 515
Calculation steps:
[( 515 - 396 ) ÷ 396] x 100 = 30.05%
Formula
Percentage change = [(515 - 396) / 396] x 100
Subtract the new number by the original number
515 - 396 = 119
119 ÷ 396 = 0.3005050505050505
0.3005050505050505 x 100 = 30.05%