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
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
GWS 81 West Coast 60 Yes
+0.5
Bulldogs 79 Port Adelaide 96 -2.2
-0.1
Collingwood 59 Geelong 70 -0.2
Fremantle 51 Richmond 155 -0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Geelong vs GWS-0.7+0.8+1.1
West Coast vs Adelaide+0.2-0.1-0.1
Richmond vs St Kilda-0.1+0.3+0.3

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
641-0-0InYes3466No1,624,242,332
620-0-1InYes0100No21,867,853
600-1-0InYes5644No2,730,010,995
Total:InYes13253528No4,376,121,180
Games Above .500
Chance Will Make Playoffs