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 -4.3
+0.1
Gold Coast 14 Easts 38 -3.5
+0.2
Newcastle 12 Penrith 23 +2.9
-0.2
Canterbury 18 Illawarra 12 -0.1
+0.0
Week of 8/5100.0*Wooden Spoon100.0*Average seed
Wests 23 Manly 20 +21.6
-0.4
Souths 14 Gold Coast 14 +9.0
-0.3
Brisbane 24 Newcastle 8 +2.4
-0.2
Illawarra 14 Cronulla 22 +0.0
Week of 8/12100.0*Wooden Spoon100.0*Average seed
Newcastle 38 Norths 6 No
+1.3
Parramatta 16 Wests 12 -6.4
+0.1
Gold Coast 4 Canberra 24 -1.3
+0.1
Easts 10 Illawarra 31 -0.1
Games Above .500
Chance Will Make Playoffs