1.5% is the change from 601 to 610
Calculation steps:
[( 610 - 601 ) ÷ 601] x 100 = 1.5%
Formula
Percentage change = [(610 - 601) / 601] x 100
Subtract the new number by the original number
610 - 601 = 9
9 ÷ 601 = 0.014975041597337771
0.014975041597337771 x 100 = 1.5%