32.22% is the change from 509 to 673
Calculation steps:
[( 673 - 509 ) ÷ 509] x 100 = 32.22%
Formula
Percentage change = [(673 - 509) / 509] x 100
Subtract the new number by the original number
673 - 509 = 164
164 ÷ 509 = 0.32220039292730845
0.32220039292730845 x 100 = 32.22%