18.09% is the change from 564 to 666
Calculation steps:
[( 666 - 564 ) ÷ 564] x 100 = 18.09%
Formula
Percentage change = [(666 - 564) / 564] x 100
Subtract the new number by the original number
666 - 564 = 102
102 ÷ 564 = 0.18085106382978725
0.18085106382978725 x 100 = 18.09%