10.94% is the change from 521 to 578
Calculation steps:
[( 578 - 521 ) ÷ 521] x 100 = 10.94%
Formula
Percentage change = [(578 - 521) / 521] x 100
Subtract the new number by the original number
578 - 521 = 57
57 ÷ 521 = 0.10940499040307101
0.10940499040307101 x 100 = 10.94%