11.71% is the change from 521 to 582
Calculation steps:
[( 582 - 521 ) ÷ 521] x 100 = 11.71%
Formula
Percentage change = [(582 - 521) / 521] x 100
Subtract the new number by the original number
582 - 521 = 61
61 ÷ 521 = 0.11708253358925144
0.11708253358925144 x 100 = 11.71%