12.74% is the change from 573 to 646
Calculation steps:
[( 646 - 573 ) ÷ 573] x 100 = 12.74%
Formula
Percentage change = [(646 - 573) / 573] x 100
Subtract the new number by the original number
646 - 573 = 73
73 ÷ 573 = 0.1273996509598604
0.1273996509598604 x 100 = 12.74%