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 +9.1
+0.1
Rosenborg 0 Bodø/Glimt 0 +0.4
Week of 12/5100.0*Chance wins title100.0*Average seed
Molde 3 Lillestrøm 3 -6.1
-0.1
Bodø/Glimt 2 Brann 2 -2.4
-0.0
Week of 12/12100.0*Chance wins title100.0*Average seed
Haugesund 1 Molde 2 +22.9
+0.2
Mjøndalen 0 Bodø/Glimt 3 No
-0.1
Points
Chance Will Win Championship