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
Kevin 66.1 Josh 97.08 +20.1
+0.8
Chad 109.72 Matthew 120.36 +3.9
Kyle 132.9 J Z 89.22 -2.3
-0.1
Amanda 99.68 Jacqueline 77.7 +0.5
+0.1
Jacob 85.44 Maria 126.76 -0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 161.12 Jacqueline 84.76 +15.0
+0.6
Chad 145.36 Amanda 110.24 -10.0
-0.1
Lindsey 111.14 Matthew 133.82 -0.4
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Chad vs Josh-20.8In
-0.7+0.7
Jacob vs J Z-4.2+4.2
-0.3+0.3
Kyle vs Kevin-0.1+0.1
Allie vs Matthew+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In728471814,143,711
70-158.3%17424214,147,025
Total:79.2%41432302128,290,736
Games Above .500
Chance Will Make Playoffs