8.65% is the change from 613 to 666
Calculation steps:
[( 666 - 613 ) ÷ 613] x 100 = 8.65%
Formula
Percentage change = [(666 - 613) / 613] x 100
Subtract the new number by the original number
666 - 613 = 53
53 ÷ 613 = 0.0864600326264274
0.0864600326264274 x 100 = 8.65%