23.47% is the change from 409 to 505
Calculation steps:
[( 505 - 409 ) ÷ 409] x 100 = 23.47%
Formula
Percentage change = [(505 - 409) / 409] x 100
Subtract the new number by the original number
505 - 409 = 96
96 ÷ 409 = 0.23471882640586797
0.23471882640586797 x 100 = 23.47%