14.63% is the change from 581 to 666
Calculation steps:
[( 666 - 581 ) ÷ 581] x 100 = 14.63%
Formula
Percentage change = [(666 - 581) / 581] x 100
Subtract the new number by the original number
666 - 581 = 85
85 ÷ 581 = 0.14629948364888123
0.14629948364888123 x 100 = 14.63%