9.61% is the change from 666 to 730
Calculation steps:
[( 730 - 666 ) ÷ 666] x 100 = 9.61%
Formula
Percentage change = [(730 - 666) / 666] x 100
Subtract the new number by the original number
730 - 666 = 64
64 ÷ 666 = 0.0960960960960961
0.0960960960960961 x 100 = 9.61%