How are these numbers calculated?

Big Games

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

Week of 3/23100.0*Chowder Cup100.0*Average seed
Falcons 8 Hogs 3 +39.6
+0.4
Steamers 3 ThirstyTurtles 5 +17.1
+0.3
Week of 3/29100.0*Chowder Cup100.0*Average seed
ThirstyTurtles 4 MorleysDog 1 Yes
+0.2
Week of 4/8None
Points
Chance Will Make Playoffs