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*Wooden Spoon100.0*Average seed
Sharks 12 Raiders 22 +31.3
-0.4
Week of 8/28100.0*Wooden Spoon100.0*Average seed
Cowboys 20 Sharks 19 Yes
-0.1
Week of 9/4None
Games Above .500
Chance Will Make Playoffs