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
Brisbane 142 Gold Coast 84 +1.7
-0.5
Hawthorn 116 North Melbourne 89 -1.1
+0.2
West Coast 100 Carlton 83 -0.3
+0.1
Sydney 143 Fremantle 39 +0.0
Week of 8/19100.0*Wooden Spoon100.0*Average seed
St Kilda 127 North Melbourne 78 -4.0
+0.2
Melbourne 104 Brisbane 91 -2.4
+0.1
Carlton 77 Hawthorn 70 +2.1
-0.3
Gold Coast 57 Essendon 90 +1.0
-0.4
If winner is:HomeTieAway
Week of 8/25100.0*Wooden Spoon100.0*Average seed
Port Adelaide vs Gold Coast-0.2+1.2+1.2
Brisbane vs North Melbourne+0.3+0.5-0.4
Sydney vs Carlton+0.0-0.1-0.2

What If

Chances based on how well the Gold Coast finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
281-0-0OutNo9010No476,783,810
260-0-1OutNo8812No21,873,895
240-1-0OutNo74152No3,877,463,475
Total:OutNo163846No4,376,121,180
Games Above .500
Chance Will Make Playoffs