21.99% is the change from 473 to 577
Calculation steps:
[( 577 - 473 ) ÷ 473] x 100 = 21.99%
Formula
Percentage change = [(577 - 473) / 473] x 100
Subtract the new number by the original number
577 - 473 = 104
104 ÷ 473 = 0.21987315010570824
0.21987315010570824 x 100 = 21.99%