How are these numbers calculated?

Big Games

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

Week of 10/27100.0*Chance in playoffs100.0*Average seed
Emily 105.44 Katie 120.22 +1.7
+0.6
Sofia 124.32 Dave 86.08 +0.2
Julie 156.7 Veronika 119.28 -0.2
Francisco 93.82 Justin 106.68 +0.1
+0.1
Laurel 132.28 Lucas 88.12 +0.1
Danny 97.86 Netta 134.28 -0.1
If winner is:HomeAway
Week of 11/3100.0*Chance in playoffs100.0*Average seed
Sofia vs Katie-3.5+3.5
-1.0+1.0
Julie vs Justin-0.5+0.5
Emily vs Davalyn+0.4-0.4
Veronika vs Lucas+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
75-088.4%0192631229200222,268
64-18.000172027241451001,104,494
53-2Out0041527311842,206,400
42-3Out0011039492,207,500
31-4Out07931,102,655
20-5Out100221,823
Total:4.0%0001123457101319347,065,140
Games Above .500
Chance Will Make Playoffs