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
Sydney 143 Fremantle 39 +1.8
+1.5
+0.2
Bulldogs 57 GWS 105 +0.9
-2.6
+0.0
Essendon 80 Adelaide 123 +0.2
+0.0
Port Adelaide 98 Collingwood 71 -1.2
-0.1
Geelong 80 Richmond 66 -1.0
-0.0
If winner is:HomeTieAway
Week of 8/18100.0*Chance in playoffs100.0*Top 4100.0*Average seed
GWS vs West Coast+0.1-0.2-0.3
-2.1-2.1+5.5
-0.0-0.1+0.1
Adelaide vs Sydney-0.1+0.2+0.3
-11.9-3.1+32.0
-0.3+0.1+0.9
Bulldogs vs Port Adelaide-0.2-0.2+0.2
+4.9+2.9-3.1
+0.2-0.0-0.2
Gold Coast vs Essendon+0.2+0.2-0.1
Melbourne vs Brisbane-0.0+0.1+0.2
-0.0+0.0+0.1
Fremantle vs Richmond+9.8-3.9-4.1
+0.2-0.1-0.1
Collingwood vs Geelong+2.4+2.3-2.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
562-0-0In51.1%12403910No397,846,666
541-0-1In11.61114741No9,632,025
521-1-0100.0%1.722668300No1,122,470,975
0-0-2In1.31247320No41,398
500-1-199.4No1474291No7,008,490
480-2-096.3No1374316300No136,486,058
Total:99.7%13.4%311275261000No1,673,485,612
Games Above .500
Chance Will Make Playoffs