How are these numbers calculated?

Big Games

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

Week of 11/4100.0*Chance in playoffs100.0*Average seed
Alex Wax 85.84 Helfman 83.58 +11.9
+1.0
Eddie 63.96 Westport 57.96 +0.9
Bukantz 102.2 Dammer 110.2 -0.4
Koop/Rubin 116.5 Hayons 43.86 +0.3
Kochen 104.28 Kunal 126 -0.2
Lew 151.04 Ray 106.16 +0.1
If winner is:HomeAway
Week of 11/11100.0*Chance in playoffs100.0*Average seed
Lew vs Alex Wax-17.2+17.2
-1.2+1.2
Eddie vs Kochen+1.5-1.5
Bukantz vs Ray+1.0-1.0
Westport vs Hayons-0.5+0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
84-0100.0%21362912200605,082
73-188.1055223224102002,407,809
62-26.3000162237268103,610,752
51-30.000317383392,409,475
40-4Out0063360604,810
Total:30.7%143688111514131169,637,928
Games Above .500
Chance Will Make Playoffs