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*OBOS-ligaen100.0*Average seed
Mjøndalen 1 Sarpsborg 3 +6.9
-0.3
Brann 0 Molde 1 -1.0
+0.1
Tromsø 0 Stabæk 0 -0.6
Haugesund 1 Sandefjord 2 +0.1
Week of 12/5100.0*OBOS-ligaen100.0*Average seed
Vålerenga 2 Mjøndalen 0 +3.9
-0.3
Stabæk 1 Rosenborg 3 -2.5
+0.1
Bodø/Glimt 2 Brann 2 +0.2
-0.1
Week of 12/12100.0*OBOS-ligaen100.0*Average seed
Odd 3 Stabæk 1 -2.2
+0.1
Brann 2 Sarpsborg 1 Yes
-0.2
Mjøndalen 0 Bodø/Glimt 3 Yes
-0.2
Points
Chance Will Win Championship