1.95% is the change from 666 to 679
Calculation steps:
[( 679 - 666 ) ÷ 666] x 100 = 1.95%
Formula
Percentage change = [(679 - 666) / 666] x 100
Subtract the new number by the original number
679 - 666 = 13
13 ÷ 666 = 0.01951951951951952
0.01951951951951952 x 100 = 1.95%