Chicago White Sox Playoff Chances 2008 50/50

Beat Minnesota 1-0, playoff odds up 50.2 to 100%
89-74   .546

How are these numbers calculated?

Big Games

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

Monday100.0*Chance in playoffs100.0*Average seed
White Sox 8 Detroit 2 +12.4
+0.4
Tuesday100.0*Chance in playoffs100.0*Average seed
White Sox 1 Minnesota 0 In
+1.5
Games Above .500
Chance Will Make Playoffs