55.83% is the change from 609 to 949
Calculation steps:
[( 949 - 609 ) ÷ 609] x 100 = 55.83%
Formula
Percentage change = [(949 - 609) / 609] x 100
Subtract the new number by the original number
949 - 609 = 340
340 ÷ 609 = 0.5582922824302134
0.5582922824302134 x 100 = 55.83%