22.74% is the change from 409 to 502
Calculation steps:
[( 502 - 409 ) ÷ 409] x 100 = 22.74%
Formula
Percentage change = [(502 - 409) / 409] x 100
Subtract the new number by the original number
502 - 409 = 93
93 ÷ 409 = 0.2273838630806846
0.2273838630806846 x 100 = 22.74%