2.81% is the change from 606 to 623
Calculation steps:
[( 623 - 606 ) ÷ 606] x 100 = 2.81%
Formula
Percentage change = [(623 - 606) / 606] x 100
Subtract the new number by the original number
623 - 606 = 17
17 ÷ 606 = 0.028052805280528052
0.028052805280528052 x 100 = 2.81%