5.11% is the change from 646 to 679
Calculation steps:
[( 679 - 646 ) ÷ 646] x 100 = 5.11%
Formula
Percentage change = [(679 - 646) / 646] x 100
Subtract the new number by the original number
679 - 646 = 33
33 ÷ 646 = 0.05108359133126935
0.05108359133126935 x 100 = 5.11%