How are these numbers calculated?

Big Games

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

Week of 1/14100.0*Average seed
LAGSB 3 PDA 5 +0.4
PDA 0 Legends 4 -0.3
Legends 2 IE Surf 0 +0.1
Albion 2 LAGSD 4 +0.1
Week of 1/21100.0*Average seed
PDA 1 Demelo 3 -0.4
PDA 2 IE Surf 1 +0.4
Navy 4 Albion 0 +0.1
Albion 2 Demelo 4 +0.1
Legends 3 Albion 0 +0.1
Surf 1 Kaufman 2 -0.1
Week of 1/29None
Points
Chance Will Win Championship