How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Amanda 99.68 Jacqueline 77.7 Out
-0.6
Kevin 66.1 Josh 97.08 -0.5
+0.1
Chad 109.72 Matthew 120.36 +0.4
Kyle 132.9 J Z 89.22 -0.4
+0.1
Jacob 85.44 Maria 126.76 -0.1
Lindsey 84.58 Allie 126.3 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 161.12 Jacqueline 84.76 -0.5
Allie 141.48 J Z 155.2 -0.1
Lindsey 111.14 Matthew 133.82 +0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Maria vs Jacqueline-0.6+0.6
Jacob vs J Z+0.3-0.3
Lindsey vs Amanda-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out42421714,142,003
30-1Out21582114,148,733
Total:Out2131371028,290,736
Games Above .500
Chance Will Make Playoffs