10.36% is the change from 521 to 575
Calculation steps:
[( 575 - 521 ) ÷ 521] x 100 = 10.36%
Formula
Percentage change = [(575 - 521) / 521] x 100
Subtract the new number by the original number
575 - 521 = 54
54 ÷ 521 = 0.1036468330134357
0.1036468330134357 x 100 = 10.36%