31.03% is the change from 609 to 798
Calculation steps:
[( 798 - 609 ) ÷ 609] x 100 = 31.03%
Formula
Percentage change = [(798 - 609) / 609] x 100
Subtract the new number by the original number
798 - 609 = 189
189 ÷ 609 = 0.3103448275862069
0.3103448275862069 x 100 = 31.03%