How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/13100.0*Chance in playoffs100.0*Average seed
Adelaide 21 GWS 26 +4.5
Brisbane 14 Collingwood 43 -4.4
-0.4
West Coast 8 Gold Coast 33 -1.4
Geelong 20 North Melbourne 66 +0.4
-0.0
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Average seed
Richmond vs Brisbane-52.9-7.8+5.6
-0.6-0.1+0.1
Gold Coast vs Adelaide-2.0+8.0+5.4
-0.0+0.1+0.1
GWS vs Geelong-0.1+0.2+0.7
-0.0+0.1+0.2
North Melbourne vs Western Bulldogs-0.0*-0.0+0.1
-0.0+0.0+0.1

* 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 Brisbane finish out the regular season.   Explain

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
222-0-0In13366No15,214,352,838
201-0-1In01684No537,037,158
181-1-092.0%3898No76,497,703,314
0-0-291.93898No2,509,190
160-1-175.8175240No463,215,628
140-2-023.0237340No7,876,331,780
Total:87.7%07811200No100,591,149,908
Games Above .500
Chance Will Make Playoffs