How are these numbers calculated?

Big Games

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

Week of 8/15None
Week of 8/22100.0*Chance in playoffs100.0*Average seed
Bombers 108 Suns 89 In
Giants 67 Magpies 75 -2.5
Kangaroos 101 Crows 94 +0.7
Eagles 119 Demons 53 +0.3
Tigers 98 Saints 72 -0.1
Power 140 Blues 37 -0.1
If winner is:HomeDrawAway
Week of 8/29100.0*Chance in playoffs100.0*Average seed
Blues vs Bombers-0.6+0.1+0.6
Kangaroos vs Demons-0.2-0.2+0.2
Swans vs Tigers+0.1+0.1-0.1
Magpies vs Hawks-0.1+0.1+0.1

What If

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

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