3.11% is the change from 610 to 629
Calculation steps:
[( 629 - 610 ) ÷ 610] x 100 = 3.11%
Formula
Percentage change = [(629 - 610) / 610] x 100
Subtract the new number by the original number
629 - 610 = 19
19 ÷ 610 = 0.03114754098360656
0.03114754098360656 x 100 = 3.11%