How are these numbers calculated?

Big Games

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

Week of 9/15100.0*Average seed
TaPa 3 UrPS 0 -0.3
VesVi 10 FC Teivo 4 -0.1
Tuisku 1 LaVe 1 +0.1
FC Vapsi 1 FC Melody 8 -0.0
Week of 9/22100.0*Average seed
UrPS 2 Härmä/2 0 +0.5
PoNU Bk 2 TaPa 1 -0.2
LaVe 2 VesVi 2 +0.0
Week of 9/29100.0*Average seed
Tuisku 3 UrPS 8 +1.0
FC Vapsi 1 LaVe 1 +0.3
Härmä/2 2 PoNU Bk 4 -0.3
VesVi 0 ACE 3 +0.2
Points
Chance Will Win Championship