2.06% is the change from 630 to 643
Calculation steps:
[( 643 - 630 ) ÷ 630] x 100 = 2.06%
Formula
Percentage change = [(643 - 630) / 630] x 100
Subtract the new number by the original number
643 - 630 = 13
13 ÷ 630 = 0.020634920634920634
0.020634920634920634 x 100 = 2.06%