How are these numbers calculated?

Big Games

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

Week of 8/17100.0*Chowder Cup100.0*Average seed
TheHealthyScratches 4 Thunder 2 +1.7
+0.3
Draggins 3 NewEnglandProgeny 3 +0.9
+0.0
Week of 8/25100.0*Chowder Cup100.0*Average seed
SledDogs 4 NewEnglandProgeny 8 No
-0.1
Thunder 5 ThirstyTurtles 5 No
-0.1
Week of 9/2100.0*Chowder Cup100.0*Average seed
Thunder 3 NewEnglandProgeny 1 -0.3
ThirstyTurtles 1 TheHealthyScratches 1 +0.2
Points
Chance Will Make Playoffs