5.15% is the change from 582 to 612
Calculation steps:
[( 612 - 582 ) ÷ 582] x 100 = 5.15%
Formula
Percentage change = [(612 - 582) / 582] x 100
Subtract the new number by the original number
612 - 582 = 30
30 ÷ 582 = 0.05154639175257732
0.05154639175257732 x 100 = 5.15%