How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/28100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Cats 62 Magpies 110 In
Kangaroos 73 Bulldogs 96 -14.6
Hawks 134 Lions 62 -3.0
Bombers 47 Tigers 74 -0.2
If winner is:HomeDrawAway
Saints vs Swans+0.7NoNo
Crows vs EaglesNo+0.6+0.6
If winner is:HomeDrawAway
Week of 9/4100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Lions vs Bulldogs+0.7NoNo
Swans vs SunsNoNo+0.7
Tigers vs KangaroosNoNo+0.7
Cats vs Crows+0.6+0.6No

What If

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

If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsTop 4123456789101112131415161718Count
Games Above .500
Chance Will Make Playoffs