15.88% is the change from 573 to 664
Calculation steps:
[( 664 - 573 ) ÷ 573] x 100 = 15.88%
Formula
Percentage change = [(664 - 573) / 573] x 100
Subtract the new number by the original number
664 - 573 = 91
91 ÷ 573 = 0.15881326352530542
0.15881326352530542 x 100 = 15.88%