2.12% is the change from 566 to 578
Calculation steps:
[( 578 - 566 ) ÷ 566] x 100 = 2.12%
Formula
Percentage change = [(578 - 566) / 566] x 100
Subtract the new number by the original number
578 - 566 = 12
12 ÷ 566 = 0.02120141342756184
0.02120141342756184 x 100 = 2.12%