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 -14.7
No
-0.6
Bulldogs 57 GWS 105 +5.3
-0.1
+0.2
Melbourne 96 St Kilda 72 -1.9
-0.0
West Coast 100 Carlton 83 -1.3
-0.0
Hawthorn 116 North Melbourne 89 -0.9
-0.1
Sydney 143 Fremantle 39 -0.3
-0.0
-0.0
Port Adelaide 98 Collingwood 71 -0.1
+0.0
Geelong 80 Richmond 66 -0.1
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Gold Coast 57 Essendon 90 +21.6
+0.7
Bulldogs 79 Port Adelaide 96 +5.8
+0.2
GWS 81 West Coast 60 +4.3
+0.1
Carlton 77 Hawthorn 70 +2.2
+0.1
Melbourne 104 Brisbane 91 -1.0
-0.1
St Kilda 127 North Melbourne 78 -0.9
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Essendon vs Fremantle+8.8-57.6-65.6
+0.2-1.2-1.5
West Coast vs Adelaide-9.4+1.4+4.8
-0.2+0.0+0.1
Collingwood vs Melbourne+4.6-5.5-5.5
+0.4-0.5-0.5
Richmond vs St Kilda+1.4-1.5-4.7
+0.0-0.1-0.1
Hawthorn vs Bulldogs+2.8-1.4-3.3
+0.1-0.0-0.1

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
481-0-094.4%No4846500No3,854,078,636
460-0-127.9No2846234No21,859,333
440-1-019.9No20412910No500,183,211
Total:85.5%No42431041No4,376,121,180
Games Above .500
Chance Will Make Playoffs