15.63% is the change from 576 to 666
Calculation steps:
[( 666 - 576 ) ÷ 576] x 100 = 15.63%
Formula
Percentage change = [(666 - 576) / 576] x 100
Subtract the new number by the original number
666 - 576 = 90
90 ÷ 576 = 0.15625
0.15625 x 100 = 15.63%