How are these numbers calculated?

Big Games

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

Week of 8/22100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
PondScum 3 Mermen 4 *-0.1
Week of 8/29100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
CarpetAngels 7 Bananaland 3 -42.9
No
-3.3
Lumberhacks 2 CarpetAngels 9 +4.8
+23.8
+0.4
Lumberhacks 7 LuckyPucks 1 +3.7
-0.9
+0.1
Winterhawks 2 YYZ 3 +1.1
*-0.1
+0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs