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*Average seed
Sydney 143 Fremantle 39 Out
Brisbane 142 Gold Coast 84 +0.1
Port Adelaide 98 Collingwood 71 +0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Fremantle 51 Richmond 155 -0.2
Collingwood 59 Geelong 70 +0.1
If winner is:HomeTieAway
Week of 8/25100.0*Chance in playoffs100.0*Average seed
Essendon vs Fremantle-0.1-0.1+0.4
Collingwood vs Melbourne-0.1-0.1+0.1

What If

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

If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 4123456789101112131415161718SpoonCount
Games Above .500
Chance Will Make Playoffs