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
SAFFC 1 Home 0 No
+0.1
Week of 11/17100.0*Chance wins title100.0*Average seed
Home 6 Balestier 1 -0.2
Super Reds 3 Tampines 1 +0.1
Points  (Full Screen)
Chance Will Win Championship  (Full Screen)