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
Sofia 83.3 Netta 99.52 In
+0.7
Dave 107.96 Katie 143.22 +0.4
+0.1
Danny 122.28 Veronika 129.42 -0.3
+0.1
Laurel 140.38 Russell 121.14 +0.2
-0.0
Will 145.58 Julie 92.14 -0.2
Taylor 89.14 Ben 88.04 -0.1
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Laurel vs Netta-0.7+0.5
Will vs Veronika+0.1-0.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
112-0In10013,560,117
101-1In425814,016,322
90-2In40391843,266,969
Total:In633042030,843,408
Games Above .500
Chance Will Make Playoffs