How are these numbers calculated?

Big Games

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

Week of 10/26None
Week of 11/3None
Week of 11/10100.0*Chance wins title100.0*Average seed
Tampines 4 Balestier 1 +18.8
+0.4
Home 0 SAFFC 0 +0.2
Points
Chance Will Win Championship