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
+0.1
Kangaroos 73 Bulldogs 96 -14.6
-0.9
Hawks 134 Lions 62 -3.0
-0.1
Bombers 47 Tigers 74 -0.2
-0.2
If winner is:HomeDrawAway
Saints vs Swans+0.7NoNo
+0.1-0.1-0.1
Crows vs EaglesNo+0.6+0.6
-0.1+0.1+0.1
If winner is:HomeDrawAway
Week of 9/4100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Lions vs Bulldogs+0.7NoNo
+0.2-0.2-0.2
Swans vs SunsNoNo+0.7
-0.1-0.1+0.1
Tigers vs KangaroosNoNo+0.7
-0.6-0.4+0.7
Cats vs Crows+0.6+0.6No
+0.1+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsTop 4123456789101112131415161718Count
561-0-0In1.4%111293623274,501,850
540-1-0InNo247614,436,961
520-0-1InNo100274,464,113
Total:In0.7%15141862563,402,924
Games Above .500
Chance Will Make Playoffs