How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Chance in playoffs100.0*Average seed
Maria 173.46 Matthew 111.2 -4.2
-0.5
Lindsey 106.22 J Z 102.2 +0.1
Kyle 110.44 Amanda 130.7 +0.1
Jacque 124.16 Josh 125.3 -0.1
Jacob 148.66 Kevin 123.34 +0.1
If winner is:HomeAway
Week of 10/6100.0*Chance in playoffs100.0*Average seed
Lindsey vs Matthew-6.3+6.3
-0.7+0.7
Jacob vs Margaret+0.5-0.5
Kyle vs Jacque-0.4+0.4
Kevin vs J Z+0.3-0.3
Chad vs Amanda+0.1-0.1
Maria vs Josh-0.1+0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
128-0In10038,992
117-1In9820298,693
106-2In8614001,044,353
95-3In50419102,089,495
84-4100.0%93538152002,608,588
73-596.802143433143002,087,094
62-634.001726372261001,042,964
51-70.1002163832101298,086
40-8Out0221482839,211
Total:88.6%26211512965321109,547,476
Games Above .500
Chance Will Make Playoffs