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 -7.2
-0.6
Chad 109.72 Matthew 120.36 +3.6
+0.0
Kyle 132.9 J Z 89.22 -0.1
Jacob 85.44 Maria 126.76 -0.2
Amanda 99.68 Jacqueline 77.7 +0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Chad 145.36 Amanda 110.24 Out
Josh 161.12 Jacqueline 84.76 Out
+0.2
Kevin 160.54 Maria 91.6 +0.3
+0.6
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Maria vs Jacqueline-0.2+0.2
Kyle vs Kevin-0.0+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-0Out6946,645,307
50-1Out772385,945,277
Total:Out0782292,590,584
Games Above .500
Chance Will Make Playoffs