3.61% is the change from 582 to 603
Calculation steps:
[( 603 - 582 ) ÷ 582] x 100 = 3.61%
Formula
Percentage change = [(603 - 582) / 582] x 100
Subtract the new number by the original number
603 - 582 = 21
21 ÷ 582 = 0.03608247422680412
0.03608247422680412 x 100 = 3.61%