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
Bulldogs 28 Roosters 4 -17.8
+0.2
Titans 20 Sharks 10 +16.4
-0.2
Warriors 34 Raiders 20 +1.1
-0.1
Week of 8/28100.0*Wooden Spoon100.0*Average seed
Storm 38 Roosters 4 -19.0
+0.2
Sea Eagles 18 Sharks 16 +15.8
-0.2
Week of 9/4100.0*Wooden Spoon100.0*Average seed
Roosters 16 Cowboys 32 No
+0.5
Sharks 24 Rabbitohs 26 +25.0
-0.3
Games Above .500
Chance Will Make Playoffs