How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Amy 91.46 Justin 143.52 In
+0.4
Nick 82.22 Adam 116.64 -0.8
Andy 88.24 Travis 125.5 -0.2
-0.2
Laurel 95.88 Ryan 94.36 +0.1
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Nick 139.9 Justin 134.9 -0.2
Adam 94.26 Travis 152.68 -0.2
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Adam vs Justin-0.2+0.2
Laurel vs Travis+0.2-0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
101-0In465419,288,102
90-1In10019,293,834
Total:In237738,581,936
Games Above .500
Chance Will Make Playoffs