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
West Coast 100 Carlton 83 +21.1
+0.8
+1.0
Essendon 80 Adelaide 123 +4.0
+0.2
Bulldogs 57 GWS 105 +3.5
-0.6
+0.1
Port Adelaide 98 Collingwood 71 -2.0
-0.4
-0.1
Sydney 143 Fremantle 39 -1.9
-0.3
-0.1
Melbourne 96 St Kilda 72 -0.6
-0.0
Hawthorn 116 North Melbourne 89 -0.3
If winner is:HomeTieAway
Week of 8/18100.0*Chance in playoffs100.0*Top 4100.0*Average seed
GWS vs West Coast-24.0+0.8+23.9
NoNo+0.8
-1.0+0.1+1.0
Bulldogs vs Port Adelaide-5.6-4.8+5.7
+0.5+0.2-0.5
-0.1-0.1+0.1
Gold Coast vs Essendon+5.5+5.2-5.5
+0.2+0.2-0.2
Melbourne vs Brisbane-5.4*+0.0+5.4
-0.1+0.1+0.1
-0.2+0.0+0.2
St Kilda vs North Melbourne-3.2+2.7+3.2
-0.1+0.1+0.1
Carlton vs Hawthorn+0.6+0.4-0.6
+0.1+0.0-0.1
Adelaide vs Sydney+0.5-0.5-0.5
+0.5+0.1-0.5
+0.1+0.0-0.1
Fremantle vs Richmond+0.8NoNo
+0.1-0.1-0.1

* 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 West Coast finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
522-0-099.8%3.2%319393360No92,995,435
501-0-197.6No22252222No1,869,502
481-1-068.2No0326392471No185,872,596
0-0-269.5No125442550No9,358
460-1-124.1No321452650No1,868,007
440-2-04.3No042040315No92,983,718
Total:60.1%0.8%15112122171381No375,598,616
Games Above .500
Chance Will Make Playoffs