-8.93% is the change from 672 to 612
Calculation steps:
[( 612 - 672 ) ÷ 672] x 100 = -8.93%
Formula
Percentage change = [(612 - 672) / 672] x 100
Subtract the new number by the original number
612 - 672 = -60
-60 ÷ 672 = -0.08928571428571429
-0.08928571428571429 x 100 = -8.93%