How are these numbers calculated?

Big Games

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

Week of 7/29100.0*Wooden Spoon100.0*Average seed
Norths 20 Wests 16 +19.5
-0.5
Gold Coast 14 Easts 38 -7.7
+0.1
Newcastle 12 Penrith 23 -5.5
+0.1
Canterbury 18 Illawarra 12 -1.4
+0.1
Parramatta 22 Brisbane 14 +0.1
Week of 8/5100.0*Wooden Spoon100.0*Average seed
Wests 23 Manly 20 -25.7
+0.5
Brisbane 24 Newcastle 8 -10.4
+0.2
Souths 14 Gold Coast 14 +5.7
-0.1
Illawarra 14 Cronulla 22 -0.1
+0.1
Week of 8/12100.0*Wooden Spoon100.0*Average seed
Parramatta 16 Wests 12 +34.8
-1.0
Newcastle 38 Norths 6 +15.8
-0.3
Gold Coast 4 Canberra 24 -3.0
+0.3
Easts 10 Illawarra 31 -0.2
Games Above .500
Chance Will Make Playoffs