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
LAGSB 3 PDA 5 -0.6
-1.0
Legends 2 IE Surf 0 +0.1
Hodson 3 LAGSB 0 No
-0.5
Demelo 2 LAGSB 0 -0.3
Kaufman 0 Navy 3 +0.2
Surf 0 Hodson 1 +0.1
Kaufman 1 LAGSD 2 -0.1
Surf 0 Navy 1 +0.1
Demelo 2 DMCV 2 -0.1
Week of 1/21100.0*Chance wins title100.0*Average seed
Hodson 1 Navy 2 -5.2
Demelo 5 Surf 0 +0.2
-0.0
Albion 2 Demelo 4 -0.2
-0.1
DMCV 1 LAGSD 0 -0.3
IE Surf 3 Kaufman 0 +0.3
PDA 2 IE Surf 1 +0.2
Legends 2 DMCV 0 +0.1
Surf 1 Kaufman 2 +0.1
Week of 1/29100.0*Chance wins title100.0*Average seed
LAGSB 3 LAGSD 1 +0.3
Points
Chance Will Win Championship