3.02% is the change from 663 to 683
Calculation steps:
[( 683 - 663 ) ÷ 663] x 100 = 3.02%
Formula
Percentage change = [(683 - 663) / 663] x 100
Subtract the new number by the original number
683 - 663 = 20
20 ÷ 663 = 0.030165912518853696
0.030165912518853696 x 100 = 3.02%