How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Average seed
Oskarshamns AIK 2 Landskrona BoIS 1 +1.2
Kristianstad FC 2 Skövde AIK 1 -0.1
Ljungskile SK 4 Qviding 0 -0.1
Assyriska 0 FK Karlskrona 0 +0.1
Week of 10/28100.0*Average seed
Mjällby 2 Oskarshamns AIK 1 -0.3
Ängelholms FF 2 Ljungskile SK 2 +0.1
FK Karlskrona 1 Husqvarna FF 0 -0.1
Utsikten 3 Kristianstad FC 3 +0.1
Week of 11/4100.0*Average seed
Landskrona BoIS 2 FK Karlskrona 0 +0.4
Kristianstad FC 5 Qviding 2 -0.2
Ljungskile SK 2 Mjällby 2 -0.1
Oskarshamns AIK 1 IK Oddevold 1 -0.0
Points
Chance Will Win Championship