Chelsea Title Chances 2010-2011 50/50

Lost to Everton 0-1, average seed unchanged at 2
71 points   21-8-9

How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/7100.0*Chance wins title100.0*Average seed
Man. United 2 Chelsea 1 -24.2
-0.4
Stoke City 3 Arsenal 1 +0.6
+0.1
Week of 5/14100.0*Chance wins title100.0*Average seed
Blackburn 1 Man. United 1 No
Arsenal 1 Aston Villa 2 +0.1
Chelsea 2 Newcastle 2 +0.0
Week of 5/22None
Points
Chance Will Win Championship