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
If winner is:HomeTieAway
Week of 8/18100.0*Wooden Spoon100.0*Average seed
Melbourne vs Brisbane-0.8+2.4+5.3
+0.0-0.2-0.3
St Kilda vs North Melbourne-1.4-1.4+2.2
+0.2+0.2-0.3
Carlton vs Hawthorn+2.1-1.3-1.4
-0.3+0.2+0.2
Gold Coast vs EssendonNo-1.8+1.0
+0.6+0.5-0.4

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
322-0-0OutNo5941No71,033,167
301-0-1OutNo100No3,986,053
281-1-0OutNo76231No651,676,040
0-0-2OutNo75241No41,911
260-1-1OutNo7029100.0%12,658,882
240-2-0OutNo13513333.2934,089,559
Total:OutNo239381921.8%1,673,485,612
Games Above .500
Chance Will Make Playoffs