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 +0.1
-0.9
-0.1
Essendon 80 Adelaide 123 +0.1
Geelong 80 Richmond 66 -7.5
-0.5
Sydney 143 Fremantle 39 -0.4
-0.0
Port Adelaide 98 Collingwood 71 -2.8
-0.1
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Bulldogs 79 Port Adelaide 96 In
-4.0
-0.1
GWS 81 West Coast 60 In
-1.1
-0.1
Fremantle 51 Richmond 155 +21.5
+0.6
Collingwood 59 Geelong 70 -3.2
-0.2
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Richmond vs St KildaYesYes-75.6
+0.6+0.0-1.9
Port Adelaide vs Gold Coast-0.3+2.5+2.5
-0.0+0.2+0.2
Sydney vs Carlton-0.3+2.3+2.3
-0.0+0.2+0.2
Geelong vs GWS-0.1-0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
601-0-0InYes7426No3,335,315,131
580-0-1InYes1882No21,870,418
560-1-0In1.4%12178No1,018,935,631
Total:In77.0%5621518No4,376,121,180
Games Above .500
Chance Will Make Playoffs