10.17% is the change from 521 to 574
Calculation steps:
[( 574 - 521 ) ÷ 521] x 100 = 10.17%
Formula
Percentage change = [(574 - 521) / 521] x 100
Subtract the new number by the original number
574 - 521 = 53
53 ÷ 521 = 0.1017274472168906
0.1017274472168906 x 100 = 10.17%