How are these numbers calculated?

Big Games

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

Week of 11/8100.0*Chance in playoffs100.0*Average seed
Dave 107.96 Katie 143.22 +1.1
Lucas 147.72 Morgan 101.78 Out
Taylor 89.14 Ben 88.04 Out
+0.0
Will 145.58 Julie 92.14 Out
-0.1
Laurel 140.38 Russell 121.14 +0.0
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Katie vs Morgan+1.3-1.3
Lucas vs Ben-0.1+0.3
Emily vs Julie-0.2+0.1
Will vs Veronika-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
62-0Out418313410106,516,760
51-1Out1134361815,414,976
40-2Out195408,911,672
Total:Out147781718371030,843,408
Games Above .500
Chance Will Make Playoffs