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 +10.1
-0.2
Start 0 Rosenborg 1 +8.2
-0.3
Strømsgodset 2 Lillestrøm 2 +4.1
-0.0
Bodø/Glimt 1 Vålerenga 1 +0.2
+0.0
Week of 11/25100.0*OBOS-ligaen100.0*Average seed
Haugesund 3 Start 1 +22.8
-0.6
Lillestrøm 2 Kristiansund 0 +8.6
-0.3
Stabæk 2 Strømsgodset 2 +7.4
-0.1
Rosenborg 1 Bodø/Glimt 1 +0.4
-0.1
Points
Chance Will Win Championship