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
Essendon 80 Adelaide 123 -21.6
No
-1.0
West Coast 100 Carlton 83 -3.7
-0.2
Bulldogs 57 GWS 105 +3.3
-0.2
+0.1
Sydney 143 Fremantle 39 -1.9
-0.3
-0.1
Hawthorn 116 North Melbourne 89 -0.8
-0.1
Port Adelaide 98 Collingwood 71 -0.8
+0.0
Melbourne 96 St Kilda 72 -0.2
+0.0
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Gold Coast 57 Essendon 90 +20.7
+1.0
Melbourne 104 Brisbane 91 -6.4
-0.2
GWS 81 West Coast 60 +4.4
+0.2
St Kilda 127 North Melbourne 78 -3.9
-0.1
Bulldogs 79 Port Adelaide 96 +3.4
+0.1
Carlton 77 Hawthorn 70 +1.8
+0.2
Collingwood 59 Geelong 70 +0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Essendon vs Fremantle+40.9-36.1-40.6
+1.0-0.8-1.0
West Coast vs Adelaide-8.2*-0.0+8.2
-0.3-0.1+0.3
Richmond vs St Kilda+5.0-3.3-4.9
+0.3-0.2-0.3
Hawthorn vs Bulldogs+4.6-3.7-4.5
+0.3-0.2-0.3
Collingwood vs Melbourne+4.5-4.4-4.4
+0.3-0.2-0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
481-0-089.7%No40491010No714,203,662
460-0-112.7No13383712No7,171,514
440-1-08.2No8314119No714,176,720
Total:48.8%No2029212110No1,435,551,896
Games Above .500
Chance Will Make Playoffs