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
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
St Kilda 127 North Melbourne 78 +2.7
+0.4
Gold Coast 57 Essendon 90 -1.6
-0.1
Bulldogs 79 Port Adelaide 96 +1.0
+0.1
GWS 81 West Coast 60 +0.9
+0.0
Melbourne 104 Brisbane 91 -0.6
-0.0
Carlton 77 Hawthorn 70 +0.2
+0.3
Collingwood 59 Geelong 70 +0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Richmond vs St Kilda-4.8-0.7+15.6
-0.3+0.5+1.1
Essendon vs Fremantle-1.5+10.4+10.9
-0.0+0.2+0.2
West Coast vs Adelaide-2.4+1.1+1.2
-0.2-0.0+0.1
Collingwood vs Melbourne+1.4-1.7-1.7
Hawthorn vs Bulldogs+0.4+0.4-0.5
+0.3-0.3-0.3

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
481-0-020.5%No41649273No1,018,935,631
460-0-14.1No4384514No21,870,418
440-1-00.1No053957No3,335,315,131
Total:4.8%No14153644No4,376,121,180
Games Above .500
Chance Will Make Playoffs