7.21% is the change from 666 to 714
Calculation steps:
[( 714 - 666 ) ÷ 666] x 100 = 7.21%
Formula
Percentage change = [(714 - 666) / 666] x 100
Subtract the new number by the original number
714 - 666 = 48
48 ÷ 666 = 0.07207207207207207
0.07207207207207207 x 100 = 7.21%