How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance wins title100.0*Average seed
Brann 0 Molde 1 -2.8
Rosenborg 0 Bodø/Glimt 0 -0.5
Week of 12/5100.0*Chance wins title100.0*Average seed
Molde 3 Lillestrøm 3 +4.4
+0.0
Bodø/Glimt 2 Brann 2 -4.0
-0.0
Week of 12/12100.0*Chance wins title100.0*Average seed
Haugesund 1 Molde 2 -5.4
-0.1
Mjøndalen 0 Bodø/Glimt 3 Yes
+0.1
Points
Chance Will Win Championship