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 No
+0.1
Warriors 42 Titans 0 +0.1
Week of 9/4100.0*Wooden Spoon100.0*Average seed
Titans 19 Bulldogs 18 -0.5
Raiders 33 Eels 20 +0.2
Games Above .500
Chance Will Make Playoffs