How are these numbers calculated?

Big Games

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

Week of 10/3100.0*Relegated100.0*Average seed
Tenhults IF 2 Jonsereds IF 2 -2.0
-0.4
Ytterby IS 1 Angered United 5 -1.9
+0.2
Kortedala IF 1 Högaborgs BK 0 -0.7
+0.0
Helsingborg 2 Tvååkers IF 0 -0.3
Vinbergs IF 6 Assyriska BK 2 +0.0
Week of 10/10100.0*Relegated100.0*Average seed
Högaborgs BK 1 Tenhults IF 0 +0.1
-0.2
Dalstorps IF 1 Kortedala IF 0 No
+0.1
Jonsereds IF 1 Helsingborg 1 No
+0.1
Tvååkers IF 6 Ytterby IS 0 No
+0.1
Points
Chance Will Win Championship