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
Jacque 124.16 Josh 125.3 +7.0
+0.4
Kyle 110.44 Amanda 130.7 +2.6
+0.1
Maria 173.46 Matthew 111.2 -1.5
Lindsey 106.22 J Z 102.2 +0.5
Chad 138.68 Margaret 133.66 -0.3
Jacob 148.66 Kevin 123.34 +0.2
If winner is:HomeAway
Week of 10/6100.0*Chance in playoffs100.0*Average seed
Maria vs Josh-9.0+20.4
-0.5+1.0
Jacob vs Margaret+1.7-1.9
+0.1-0.1
Kevin vs J Z+1.7-1.0
+0.1-0.0
Chad vs Amanda-0.2+1.3
-0.0+0.1
Kyle vs Jacque-0.3+0.7
Lindsey vs Matthew+0.3-0.6

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
118-0In94680,736
107-1In514370715,654
96-2In6314318202,866,425
85-398.6%0214353513106,290,256
74-466.500042141294008,220,789
63-512.5011246365006,528,155
52-60.2008433910103,072,292
41-7Out053147161780,253
30-8Out0123591787,868
Total:56.4%2571114172014621028,642,428
Games Above .500
Chance Will Make Playoffs