30.56% is the change from 409 to 534
Calculation steps:
[( 534 - 409 ) ÷ 409] x 100 = 30.56%
Formula
Percentage change = [(534 - 409) / 409] x 100
Subtract the new number by the original number
534 - 409 = 125
125 ÷ 409 = 0.3056234718826406
0.3056234718826406 x 100 = 30.56%