17.31% is the change from 566 to 664
Calculation steps:
[( 664 - 566 ) ÷ 566] x 100 = 17.31%
Formula
Percentage change = [(664 - 566) / 566] x 100
Subtract the new number by the original number
664 - 566 = 98
98 ÷ 566 = 0.17314487632508835
0.17314487632508835 x 100 = 17.31%