15.36% is the change from 573 to 661
Calculation steps:
[( 661 - 573 ) ÷ 573] x 100 = 15.36%
Formula
Percentage change = [(661 - 573) / 573] x 100
Subtract the new number by the original number
661 - 573 = 88
88 ÷ 573 = 0.15357766143106458
0.15357766143106458 x 100 = 15.36%