13.65% is the change from 586 to 666
Calculation steps:
[( 666 - 586 ) ÷ 586] x 100 = 13.65%
Formula
Percentage change = [(666 - 586) / 586] x 100
Subtract the new number by the original number
666 - 586 = 80
80 ÷ 586 = 0.13651877133105803
0.13651877133105803 x 100 = 13.65%