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*Europe (CL/EL/ECL)100.0*Average seed
Odd 1 Vålerenga 2 +0.5
+0.6
Kristiansund 2 Viking 3 -0.1
Lillestrøm 4 Strømsgodset 1 -0.1
-0.1
Mjøndalen 1 Sarpsborg 3 -0.1
Haugesund 1 Sandefjord 2 +0.1
Week of 12/5100.0*Europe (CL/EL/ECL)100.0*Average seed
Vålerenga 2 Mjøndalen 0 +0.9
+0.7
Viking 3 Odd 1 No
Sandefjord 3 Kristiansund 2 +0.3
+0.1
Stabæk 1 Rosenborg 3 -0.2
-0.2
Molde 3 Lillestrøm 3 -0.0
Sarpsborg 0 Tromsø 1 +0.1
Week of 12/12100.0*Europe (CL/EL/ECL)100.0*Average seed
Kristiansund 2 Vålerenga 1 -0.9
Lillestrøm 2 Sandefjord 0 -0.3
Rosenborg 2 Strømsgodset 2 -0.0
Points
Chance Will Win Championship