3.21% is the change from 560 to 578
Calculation steps:
[( 578 - 560 ) ÷ 560] x 100 = 3.21%
Formula
Percentage change = [(578 - 560) / 560] x 100
Subtract the new number by the original number
578 - 560 = 18
18 ÷ 560 = 0.03214285714285714
0.03214285714285714 x 100 = 3.21%