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
Bulldogs 57 GWS 105 In
+14.9
+0.7
Port Adelaide 98 Collingwood 71 -1.1
-0.0
Geelong 80 Richmond 66 -0.3
+0.0
Sydney 143 Fremantle 39 -0.2
Essendon 80 Adelaide 123 -0.1
If winner is:HomeTieAway
Week of 8/18100.0*Chance in playoffs100.0*Top 4100.0*Average seed
GWS vs West CoastYesYes-21.4
+0.3-0.0-0.9
Bulldogs vs Port Adelaide+5.4+5.4-3.5
+0.1+0.1-0.1
Adelaide vs Sydney+2.0+2.0-5.4
Fremantle vs Richmond+3.6-0.7-1.5
+0.2+0.1-0.1
Collingwood vs Geelong+0.2+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
642-0-0InYes991No442,281,225
621-0-1InYes0100No9,091,104
601-1-0InYes47468No925,679,072
0-0-2InYes67303No41,614
580-1-1InYes174934No7,552,794
560-2-0In53.0%1241398No288,839,803
Total:In91.9%250281271No1,673,485,612
Games Above .500
Chance Will Make Playoffs