3.32% is the change from 603 to 623
Calculation steps:
[( 623 - 603 ) ÷ 603] x 100 = 3.32%
Formula
Percentage change = [(623 - 603) / 603] x 100
Subtract the new number by the original number
623 - 603 = 20
20 ÷ 603 = 0.03316749585406302
0.03316749585406302 x 100 = 3.32%