• Gold Fields average net profit margin for 2014 was -12.87%, a 312.73% decline from 2013.
• Gold Fields average net profit margin for 2013 was 6.05%, a 63.77% decline from 2012.
• Gold Fields average net profit margin for 2012 was 16.7%, a 76.16% decline from 2011.

Net profit margin can be defined as net Income as a portion of total sales revenue.