How are these numbers calculated?

Big Games

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

Week of 3/16100.0*Chowder Cup100.0*Average seed
Meatballs 6 Blizzard 3 -8.9
-0.1
YYZ 8 GhilaniElectric 7 +7.7
+0.1
Week of 3/23100.0*Chowder Cup100.0*Average seed
Meatballs 6 PatsieDugans 3 -14.3
-0.2
CobraKai 2 YYZ 9 +7.2
+0.1
PeterNorthstars 4 Blizzard 4 +2.2
+0.1
Week of 4/1100.0*Chowder Cup100.0*Average seed
Meatballs 1 PeterNorthstars 2 +38.4
+0.4
YYZ 9 Blizzard 2 +14.4
+0.1
Points
Chance Will Make Playoffs