Being asked a few times about Relative Drawdown, I was about to post here how it is calculated by MT4, and an alternative, more meaningful method to calculate it by Balance. However, the lack of formatting would make the post difficult to read. As such, see it at:

http://raidenworks.com/2012/01/25/drawdown/

Or

http://www.forexfactory.com/showthread.php?p=5325195#post5325195
Consistency above all.