How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Chance wins title100.0*Average seed
Sembawang 1 Home 2 -7.8
-0.1
SAFFC 4 Tampines 0 +2.9
+0.0
Week of 10/6100.0*Chance wins title100.0*Average seed
SAFFC 2 Balestier 2 -6.0
-0.1
Home 1 Jurong 0 No
-0.0
Tampines 1 Clementi 1 *-0.1
Week of 10/16None

* 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