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
Brisbane 14 Collingwood 43 -5.8
-0.1
Western Bulldogs 51 Fremantle 66 +1.8
+0.1
Melbourne 24 Carlton 40 -1.2
+0.0
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Average seed
Fremantle vs MelbourneInIn-13.3
+0.5+0.2-0.5
Collingwood vs St Kilda-1.9InIn
-0.0+0.2+0.2
Carlton vs West Coast-0.1-0.1+3.0
-0.0+0.2+0.3

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
30-32In100No24,117,652,788*
281-1-0In6832No50,015,753,758
0-0-2In100No2,512,224
260-1-1In1882No511,725,324
240-2-053.9%0143946No25,943,505,814
Total:88.1%58201012No100,591,149,908

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs