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*Average seed
Essendon 80 Adelaide 123 +0.2
Bulldogs 57 GWS 105 -0.1
Geelong 80 Richmond 66 +0.0
Week of 8/19100.0*Average seed
GWS 81 West Coast 60 -0.1
If winner is:HomeTieAway
Week of 8/25100.0*Average seed
West Coast vs Adelaide-0.3+0.2+0.2
Geelong vs GWS+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
661-0-0InYes100No714,195,950
640-0-1InYes1000No7,172,880
620-1-0InYes5050No714,183,066
Total:InYes7525No1,435,551,896
Games Above .500
Chance Will Make Playoffs