22.2% is the change from 509 to 622
Calculation steps:
[( 622 - 509 ) ÷ 509] x 100 = 22.2%
Formula
Percentage change = [(622 - 509) / 509] x 100
Subtract the new number by the original number
622 - 509 = 113
113 ÷ 509 = 0.2220039292730845
0.2220039292730845 x 100 = 22.2%