How are these numbers calculated?

Big Games

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

Week of 8/21100.0*Average seed
Suns 97 Bombers 95 +0.5
Crows 131 Lions 44 +0.1
Blues 78 Demons 55 -0.1
Week of 8/28100.0*Average seed
Suns 51 Power 88 -0.4
Bombers 47 Tigers 74 +0.2
Giants 132 Blues 51 +0.2
Hawks 134 Lions 62 +0.1
If winner is:HomeDrawAway
Week of 9/4100.0*Average seed
Swans vs Suns-0.5+0.5+0.5
Magpies vs Bombers+0.3+0.2-0.3
Hawks vs Blues+0.2+0.2-0.2

What If

Chances based on how well the Suns 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