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
Port Adelaide 98 Collingwood 71 +1.4
+6.6
+0.3
Essendon 80 Adelaide 123 +0.5
+0.0
Bulldogs 57 GWS 105 +0.4
-5.6
-0.0
Melbourne 96 St Kilda 72 -0.1
West Coast 100 Carlton 83 -0.1
Sydney 143 Fremantle 39 -0.1
-0.3
-0.0
Geelong 80 Richmond 66 -2.4
-0.0
Week of 8/19100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Bulldogs 79 Port Adelaide 96 In
+18.4
+0.6
GWS 81 West Coast 60 +0.1
-4.7
-0.1
Gold Coast 57 Essendon 90 -0.1
Fremantle 51 Richmond 155 -14.1
-0.2
Collingwood 59 Geelong 70 -4.8
-0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Richmond vs St KildaNoNo+49.5
-0.2-0.2+0.7
Port Adelaide vs Gold Coast+1.9NoNo
+0.1-0.7-0.8
Sydney vs Carlton-0.8+5.6+5.6
-0.0+0.2+0.3

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
561-0-0In17.0%176221No3,877,463,475
540-0-1InNo1288No21,873,895
520-1-0InNo8902No476,783,810
Total:In15.0%1556290No4,376,121,180
Games Above .500
Chance Will Make Playoffs