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*Average seed
Port Adelaide 98 Collingwood 71 Out
-0.7
West Coast 100 Carlton 83 -1.0
-0.1
Essendon 80 Adelaide 123 +1.0
+0.1
Sydney 143 Fremantle 39 -0.6
+0.1
Bulldogs 57 GWS 105 +0.5
Melbourne 96 St Kilda 72 +0.2
-0.0
Hawthorn 116 North Melbourne 89 -0.2
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Collingwood 59 Geelong 70 -0.5
Fremantle 51 Richmond 155 +0.2
Carlton 77 Hawthorn 70 +0.2
Gold Coast 57 Essendon 90 -0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Average seed
Collingwood vs Melbourne+0.5-0.0-0.5
Hawthorn vs Bulldogs-0.2-0.2+0.2
Essendon vs Fremantle+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
381-0-0OutNo5050No714,198,271
360-0-1OutNo1000No7,170,919
340-1-0OutNo5050No714,182,706
Total:OutNo255025No1,435,551,896
Games Above .500
Chance Will Make Playoffs