How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Hoops 8 AZ Meltdown 1 -0.7
-0.3
Blackout/Redbri 5 Sport Boys 5 -0.1
+0.1
El Nino' 2 Joes Real BBQ 6 +0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Sport Boys 2 Hoops 7 -0.6
El Nino' 3 AZ Meltdown 7 +0.3
7 Minutemen 4 Blackout/Redbri 5 -0.0
Points
Chance Will Make Playoffs