6.63% is the change from 573 to 611
Calculation steps:
[( 611 - 573 ) ÷ 573] x 100 = 6.63%
Formula
Percentage change = [(611 - 573) / 573] x 100
Subtract the new number by the original number
611 - 573 = 38
38 ÷ 573 = 0.06631762652705062
0.06631762652705062 x 100 = 6.63%