• Arcadis average ebitda margin for 2012 was -18.56%, a 160.28% increase from 2011.
• Arcadis average ebitda margin for 2011 was 30.79%, a 6.01% decline from 2010.
• Arcadis average ebitda margin for 2010 was 32.76%, a 573.41% decline from 2009.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.