-17.32% is the change from 814 to 673
Calculation steps:
[( 673 - 814 ) ÷ 814] x 100 = -17.32%
Formula
Percentage change = [(673 - 814) / 814] x 100
Subtract the new number by the original number
673 - 814 = -141
-141 ÷ 814 = -0.1732186732186732
-0.1732186732186732 x 100 = -17.32%