9.01% is the change from 666 to 726
Calculation steps:
[( 726 - 666 ) ÷ 666] x 100 = 9.01%
Formula
Percentage change = [(726 - 666) / 666] x 100
Subtract the new number by the original number
726 - 666 = 60
60 ÷ 666 = 0.09009009009009009
0.09009009009009009 x 100 = 9.01%