How are these numbers calculated?

Big Games

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

Week of 11/11100.0*OBOS-ligaen100.0*Average seed
Odd 0 Stabæk 3 +10.4
-0.2
Start 0 Rosenborg 1 -4.0
+0.1
Strømsgodset 2 Lillestrøm 2 -3.3
-0.1
Bodø/Glimt 1 Vålerenga 1 +0.3
-0.0
Sarpsborg 1 Sandefjord 1 -0.1
Week of 11/25100.0*OBOS-ligaen100.0*Average seed
Lillestrøm 2 Kristiansund 0 -30.1
+1.5
Haugesund 3 Start 1 -12.6
+0.3
Stabæk 2 Strømsgodset 2 +4.4
+0.0
Rosenborg 1 Bodø/Glimt 1 -0.1
Points
Chance Will Win Championship