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
Lindsey 106.22 J Z 102.2 -9.2
-0.5
Kyle 110.44 Amanda 130.7 +2.2
+0.1
Maria 173.46 Matthew 111.2 -1.2
-0.1
Jacque 124.16 Josh 125.3 -1.2
-0.0
Chad 138.68 Margaret 133.66 -0.3
Jacob 148.66 Kevin 123.34 +0.1
+0.0
If winner is:HomeAway
Week of 10/6100.0*Chance in playoffs100.0*Average seed
Kevin vs J Z-10.6+6.2
-0.8+0.5
Jacob vs Margaret+1.3-1.4
Chad vs Amanda-0.2+1.3
+0.0-0.1
Lindsey vs Matthew+0.3-0.6
Kyle vs Jacque-0.2+0.5
-0.0+0.1
Maria vs Josh-0.1+0.2

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
108-0In395011058,772
97-1In325452430563,915
86-296.6%017284021302,492,745
75-344.500110334114005,936,393
64-43.8004265613108,294,833
53-50.0002354516106,921,527
42-6Out0325472323,381,850
31-7Out0145827889,903
20-8Out1585102,490
Total:20.9%0123610172818105128,642,428
Games Above .500
Chance Will Make Playoffs