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*Chance wins title100.0*Average seed
Legends 2 IE Surf 0 -0.3
+0.0
DMCV 2 IE Surf 1 +0.1
+1.1
LAGSB 3 PDA 5 +0.0
Kaufman 1 LAGSD 2 +0.1
Demelo 2 LAGSB 0 +0.2
Kaufman 0 Navy 3 +0.2
Demelo 2 DMCV 2 +0.2
Albion 2 LAGSD 4 -0.1
Surf 0 Navy 1 +0.1
Surf 0 Hodson 1 +0.1
Week of 1/21100.0*Chance wins title100.0*Average seed
DMCV 1 LAGSD 0 +1.3
+1.2
Navy 4 Albion 0 -0.5
Legends 2 DMCV 0 No
-1.0
PDA 1 Demelo 3 -0.2
-0.1
Surf 1 Kaufman 2 +0.0
IE Surf 3 Kaufman 0 +0.1
PDA 2 IE Surf 1 +0.1
Week of 1/29100.0*Chance wins title100.0*Average seed
LAGSB 3 LAGSD 1 -0.5
Points
Chance Will Win Championship