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
Lillestrøm 4 Strømsgodset 1 +6.1
+0.7
Rosenborg 0 Bodø/Glimt 0 +0.4
+0.0
Odd 1 Vålerenga 2 -0.1
-0.2
Mjøndalen 1 Sarpsborg 3 -0.1
Week of 12/5100.0*Europe (CL/EL/ECL)100.0*Average seed
Viking 3 Odd 1 -8.2
-0.1
Molde 3 Lillestrøm 3 -5.0
-0.1
Sandefjord 3 Kristiansund 2 +3.4
+0.2
Stabæk 1 Rosenborg 3 -1.4
-0.2
Vålerenga 2 Mjøndalen 0 -0.3
-0.2
Week of 12/12100.0*Europe (CL/EL/ECL)100.0*Average seed
Lillestrøm 2 Sandefjord 0 +1.1
Rosenborg 2 Strømsgodset 2 +0.1
Points
Chance Will Win Championship