16.44% is the change from 523 to 609
Calculation steps:
[( 609 - 523 ) ÷ 523] x 100 = 16.44%
Formula
Percentage change = [(609 - 523) / 523] x 100
Subtract the new number by the original number
609 - 523 = 86
86 ÷ 523 = 0.16443594646271512
0.16443594646271512 x 100 = 16.44%