9.18% is the change from 610 to 666
Calculation steps:
[( 666 - 610 ) ÷ 610] x 100 = 9.18%
Formula
Percentage change = [(666 - 610) / 610] x 100
Subtract the new number by the original number
666 - 610 = 56
56 ÷ 610 = 0.09180327868852459
0.09180327868852459 x 100 = 9.18%