How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
Will 79.68 Eli 120.46 -27.8
-1.2
Francisco 111.6 Netta 100.82 +2.5
+0.2
Sofia 85 Tiago 66.64 +0.7
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Laurel 82.6 Will 101 +21.6
+0.9
Emily 106.32 Eli 64.88 +3.1
+0.1
Sofia 132.58 Justin 118.02 -2.5
+0.1
Tiago 137.38 Netta 79.32 -0.3
If winner is:HomeAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Sofia vs Will-37.5+37.5
-0.8+0.8
Francisco vs Eli+12.5-12.5
+0.2-0.2
Laurel vs Emily-11.8+11.8
-0.3+0.3
Tiago vs Justin-0.7+0.7
-0.3+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
81-0-076.4%26502412,861,793
70-1-01.41495012,856,147
Total:38.9%1326362525,717,940
Games Above .500
Chance Will Make Playoffs