How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Chance wins title100.0*Average seed
Coritiba 2 Figueirense 1 +16.5
+0.2
Bahia 3 Portuguesa 0 -6.1
-0.1
Sao Caetano 0 America-MG 0 *+0.1
Week of 11/19100.0*Chance wins title100.0*Average seed
Bahia 1 Santo Andre 2 Yes
+0.0
Icasa 2 Coritiba 2 -0.8
Week of 11/26None

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship