3.15% is the change from 603 to 622
Calculation steps:
[( 622 - 603 ) ÷ 603] x 100 = 3.15%
Formula
Percentage change = [(622 - 603) / 603] x 100
Subtract the new number by the original number
622 - 603 = 19
19 ÷ 603 = 0.03150912106135987
0.03150912106135987 x 100 = 3.15%