How are these numbers calculated?

Big Games

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

Week of 8/14100.0*Chowder Cup100.0*Average seed
OldBoys 5 BladesofSteel 3 No
-1.0
AngerManagement 3 BlackstoneValleyBravest 4 -1.3
+0.1
Week of 8/21None
Points
Chance Will Make Playoffs