St. Louis Blues Playoff Chances 2011-2012 50/50

Beat Dallas 3-2, average seed down 0.2 to 2
109 points   49 22-11

How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Average seed
Calgary 3 Vancouver 2 +0.2
Friday100.0*Average seed
St. Louis 1 Phoenix 4 -0.3
Saturday100.0*Average seed
Dallas 2 St. Louis 3 +0.2
Vancouver 3 Edmonton 0 -0.2
Points
Chance Will Make Playoffs