54.19% is the change from 609 to 939
Calculation steps:
[( 939 - 609 ) ÷ 609] x 100 = 54.19%
Formula
Percentage change = [(939 - 609) / 609] x 100
Subtract the new number by the original number
939 - 609 = 330
330 ÷ 609 = 0.541871921182266
0.541871921182266 x 100 = 54.19%