How are these numbers calculated?

Big Games

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

Week of 10/16100.0*Average seed
FF Jaro 1 IFK Mariehamn 0 -0.4
FC Honka 2 KuPS 2 +0.1
Week of 10/19100.0*Average seed
IFK Mariehamn 3 TPS 1 +0.6
VPS 1 HJK 1 -0.1
Week of 10/26None
Chance Will Win Championship