How are these numbers calculated?

Big Games

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

Week of 10/22100.0*Relegated100.0*Average seed
Team TG FF 1 IFK Luleå 0 +10.7
-0.3
BK Forward 4 IK Sleipner 0 +7.8
-0.0
Piteå IF 4 Umeå FC 2 +1.0
-0.1
Week of 10/29100.0*Relegated100.0*Average seed
BK Forward 2 IFK Luleå 4 -55.4
+1.0
Carlstad United 2 Piteå IF 2 -0.7
-0.0
IK Sleipner 1 Akropolis IF 2 -0.1
+0.1
Brage 1 Enskede IK 2 -0.2
Week of 11/6100.0*Relegated100.0*Average seed
IFK Luleå 2 Carlstad United 1 No
+0.4
Västerås SK 1 BK Forward 3 +20.4
-0.4
Piteå IF 5 Nyköpings BIS 2 +11.4
-0.2
Points
Chance Will Win Championship