8.79% is the change from 660 to 718
Calculation steps:
[( 718 - 660 ) ÷ 660] x 100 = 8.79%
Formula
Percentage change = [(718 - 660) / 660] x 100
Subtract the new number by the original number
718 - 660 = 58
58 ÷ 660 = 0.08787878787878788
0.08787878787878788 x 100 = 8.79%