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 +0.8
Lucas 147.72 Morgan 101.78 Out
-0.1
Taylor 89.14 Ben 88.04 Out
+0.1
Will 145.58 Julie 92.14 Out
-0.1
Laurel 140.38 Russell 121.14 +0.1
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-0.2+0.2
Emily vs Julie-0.1+0.1
Will vs Veronika-0.1+0.1
Sofia vs Francisco+0.1-0.1

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
62-0Out313253917412,410,619
51-1Out72642254,817,020
40-2Out0712812,410,297
Total:Out136108142130709,637,936
Games Above .500
Chance Will Make Playoffs