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 +29.5
+1.0
Laurel 152.48 Justin 102.66 -2.5
-0.1
Sofia 85 Tiago 66.64 -1.9
-0.1
Francisco 111.6 Netta 100.82 +1.7
+0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Emily 106.32 Eli 64.88 -7.8
-0.5
Laurel 82.6 Will 101 -7.5
+0.1
Sofia 132.58 Justin 118.02 -2.2
-0.2
Tiago 137.38 Netta 79.32 +0.3
If winner is:HomeAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Francisco vs Eli-25.0+25.0
-0.5+0.5
Sofia vs Will+25.0-25.0
+0.3-0.3
Tiago vs Justin+0.7-0.7
Laurel vs Emily-0.7+0.7
-0.2+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
81-0-098.6%4950112,856,889
70-1-048.6495112,861,051
Total:73.6%24492625,717,940
Games Above .500
Chance Will Make Playoffs