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*Chance in playoffs100.0*Top 4100.0*Average seed
Melbourne 96 St Kilda 72 -16.7
No
-0.9
Bulldogs 57 GWS 105 +2.8
+0.1
Essendon 80 Adelaide 123 +2.2
+0.1
West Coast 100 Carlton 83 -0.9
-0.1
Sydney 143 Fremantle 39 -0.2
-0.0
Port Adelaide 98 Collingwood 71 -0.1
+0.0
Hawthorn 116 North Melbourne 89 -0.1
-0.1
If winner is:HomeTieAway
Week of 8/18100.0*Chance in playoffs100.0*Top 4100.0*Average seed
St Kilda vs North Melbourne+3.1-2.7-4.7
+0.5-0.2-0.8
Gold Coast vs Essendon+2.8+2.5-1.6
+0.2+0.1-0.1
Melbourne vs Brisbane-0.5+2.1+3.3
-0.0+0.0+0.1
GWS vs West Coast+0.9+0.0-2.3
+0.1-0.1-0.1
Bulldogs vs Port Adelaide-1.6-0.8+1.0
-0.2-0.1+0.1
Carlton vs Hawthorn+0.2+0.2-0.2
+0.3+0.2-0.2
Collingwood vs Geelong-0.1-0.1+0.1

What If

Chances based on how well the St Kilda finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
482-0-029.7%No0062336277No257,869,560
461-0-18.3No083041201No7,163,013
441-1-00.3No004206017No909,234,991
0-0-20.1No02196217No41,990
420-1-1OutNo2424511No9,484,191
400-2-0OutNo01465220No489,691,867
Total:4.8%No0014815382860No1,673,485,612
Games Above .500
Chance Will Make Playoffs