How are these numbers calculated?

Big Games

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

Week of 10/13100.0*Promoted100.0*Average seed
Nyköpings BIS 0 IK Frej Täby 1 +9.8
+0.2
Dalkurd FF 2 Sandvikens IF 4 -8.2
-0.2
Week of 10/20100.0*Promoted100.0*Average seed
Nyköpings BIS 1 IFK Luleå 0 -6.5
-0.1
Week of 10/27100.0*Promoted100.0*Average seed
IFK Luleå 2 Dalkurd FF 5 +29.0
+0.6
Västerås SK FK 1 Nyköpings BIS 2 -12.6
-0.3
Points
Chance Will Win Championship