-1.79% is the change from 672 to 660
Calculation steps:
[( 660 - 672 ) ÷ 672] x 100 = -1.79%
Formula
Percentage change = [(660 - 672) / 672] x 100
Subtract the new number by the original number
660 - 672 = -12
-12 ÷ 672 = -0.017857142857142856
-0.017857142857142856 x 100 = -1.79%