1.85% is the change from 648 to 660
Calculation steps:
[( 660 - 648 ) ÷ 648] x 100 = 1.85%
Formula
Percentage change = [(660 - 648) / 648] x 100
Subtract the new number by the original number
660 - 648 = 12
12 ÷ 648 = 0.018518518518518517
0.018518518518518517 x 100 = 1.85%