9.72% is the change from 607 to 666
Calculation steps:
[( 666 - 607 ) ÷ 607] x 100 = 9.72%
Formula
Percentage change = [(666 - 607) / 607] x 100
Subtract the new number by the original number
666 - 607 = 59
59 ÷ 607 = 0.09719934102141681
0.09719934102141681 x 100 = 9.72%