29.84% is the change from 315 to 409
Calculation steps:
[( 409 - 315 ) ÷ 315] x 100 = 29.84%
Formula
Percentage change = [(409 - 315) / 315] x 100
Subtract the new number by the original number
409 - 315 = 94
94 ÷ 315 = 0.2984126984126984
0.2984126984126984 x 100 = 29.84%