15.28% is the change from 576 to 664
Calculation steps:
[( 664 - 576 ) ÷ 576] x 100 = 15.28%
Formula
Percentage change = [(664 - 576) / 576] x 100
Subtract the new number by the original number
664 - 576 = 88
88 ÷ 576 = 0.1527777777777778
0.1527777777777778 x 100 = 15.28%