How are these numbers calculated?

Big Games

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

Week of 8/21100.0*Wooden Spoon100.0*Average seed
Panthers 40 Rabbitohs 10 +0.0
Titans 20 Sharks 10 No
Warriors 34 Raiders 20 -0.3
Week of 8/28100.0*Wooden Spoon100.0*Average seed
Raiders 30 Knights 14 +0.2
Bulldogs 40 Warriors 20 +0.1
Week of 9/4None
Games Above .500
Chance Will Make Playoffs