How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Chance in playoffs100.0*Average seed
Shocker 4 YYZ 7 -10.0
-0.2
GhilaniElectric 5 District5 5 +9.1
+0.0
Zamboozers 6 JusttheTip 3 +9.1
+0.1
Week of 8/18None
Week of 8/25None
Points
Chance Will Make Playoffs