How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Wooden Spoon100.0*Average seed
Hawthorn 116 North Melbourne 89 +8.8
-0.5
Brisbane 142 Gold Coast 84 +4.1
+0.1
West Coast 100 Carlton 83 -0.7
+0.1
Week of 8/19100.0*Wooden Spoon100.0*Average seed
St Kilda 127 North Melbourne 78 +18.7
-0.5
Carlton 77 Hawthorn 70 +12.5
-0.2
Gold Coast 57 Essendon 90 -0.2
+0.2
Melbourne 104 Brisbane 91 -0.1
+0.0
If winner is:HomeTieAway
Week of 8/25100.0*Wooden Spoon100.0*Average seed
Brisbane vs North MelbourneYesNoNo
-1.4-0.4+1.4
Port Adelaide vs Gold Coast+0.1-0.4-0.4
Sydney vs Carlton+0.1-0.4-0.4

What If

Chances based on how well the North Melbourne finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
241-0-0OutNo78211No2,167,931,916
220-0-1OutNo100No21,872,568
200-1-0OutNo100Yes2,186,316,696
Total:OutNo381015050.0%4,376,121,180
Games Above .500
Chance Will Make Playoffs