How are these numbers calculated?

Big Games

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

Week of 9/11100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Dinosaurs 4 ThornyDevils 1 -39.0
No
-2.9
OrangeCrush 0 Hogs 1 +3.2
-0.2
+0.1
AngryHammers 3 OldSchool 6 +2.5
-5.9
Week of 9/12100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Grizzlies 6 OldSchool 4 Out
-0.6
Points
Chance Will Make Playoffs