6.71% is the change from 626 to 668
Calculation steps:
[( 668 - 626 ) ÷ 626] x 100 = 6.71%
Formula
Percentage change = [(668 - 626) / 626] x 100
Subtract the new number by the original number
668 - 626 = 42
42 ÷ 626 = 0.0670926517571885
0.0670926517571885 x 100 = 6.71%