2.78% is the change from 612 to 629
Calculation steps:
[( 629 - 612 ) ÷ 612] x 100 = 2.78%
Formula
Percentage change = [(629 - 612) / 612] x 100
Subtract the new number by the original number
629 - 612 = 17
17 ÷ 612 = 0.027777777777777776
0.027777777777777776 x 100 = 2.78%