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*Top 4100.0*Average seed
Eagles 162 Bulldogs 85 Yes
+0.7
Giants 44 Swans 133 -1.7
-0.1
Crows 131 Lions 44 -1.1
Hawks 86 Power 108 +0.8
+0.2
Magpies 56 Tigers 147 -0.6
Kangaroos 94 Dockers 83 -0.5
+0.1
Week of 8/28100.0*Top 4100.0*Average seed
Crows 126 Eagles 69 -0.4
Dockers 108 Demons 54 -0.1
Hawks 134 Lions 62 -0.1
Saints 38 Swans 135 -0.1
If winner is:HomeDrawAway
Week of 9/4100.0*Top 4100.0*Average seed
Eagles vs Saints+0.5+0.0-0.5
Hawks vs Blues-0.3-0.2+0.3
Swans vs Suns-0.2+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsTop 4123456789101112131415161718Count
661-0-0InYes100338,406,455
640-1-0InYes5149017,794,548
620-0-1InYes255025338,394,637
Total:InYes622612694,595,640
Games Above .500
Chance Will Make Playoffs