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
Jacob 85.44 Maria 126.76 -0.8
-0.5
Chad 109.72 Matthew 120.36 +0.4
-0.1
Kevin 66.1 Josh 97.08 -0.2
Kyle 132.9 J Z 89.22 -0.1
-0.1
Lindsey 84.58 Allie 126.3 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Chad 145.36 Amanda 110.24 -1.0
Jacob 94.68 Kyle 148.7 -1.0
-0.8
Josh 161.12 Jacqueline 84.76 -1.0
-0.1
Lindsey 111.14 Matthew 133.82 -0.1
-0.2
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Jacob vs J ZIn-8.3
+0.6-0.6
Chad vs Josh-8.3In
+0.1-0.1
Kyle vs Kevin-0.1+0.1
Allie vs Matthew+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In728471814,145,885
70-183.3%17671714,144,851
Total:91.7%4143242828,290,736
Games Above .500
Chance Will Make Playoffs