How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance wins title100.0*Average seed
Hougang 2 Tampines 4 +3.6
+0.2
Week of 11/18100.0*Chance wins title100.0*Average seed
Geylang 1 Home 2 No
-0.2
SAFFC 2 Gombak 1 No
-0.3
Tampines 3 Albirex 1 +6.5
+0.3
Points
Chance Will Win Championship