11.32% is the change from 521 to 580
Calculation steps:
[( 580 - 521 ) ÷ 521] x 100 = 11.32%
Formula
Percentage change = [(580 - 521) / 521] x 100
Subtract the new number by the original number
580 - 521 = 59
59 ÷ 521 = 0.11324376199616124
0.11324376199616124 x 100 = 11.32%