6.1% is the change from 574 to 609
Calculation steps:
[( 609 - 574 ) ÷ 574] x 100 = 6.1%
Formula
Percentage change = [(609 - 574) / 574] x 100
Subtract the new number by the original number
609 - 574 = 35
35 ÷ 574 = 0.06097560975609756
0.06097560975609756 x 100 = 6.1%