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
Eddie 63.96 Westport 57.96 -11.6
-1.0
Alex Wax 85.84 Helfman 83.58 -0.5
Lew 151.04 Ray 106.16 +0.3
+0.1
Bukantz 102.2 Dammer 110.2 -0.2
-0.1
Koop/Rubin 116.5 Hayons 43.86 +0.2
Kochen 104.28 Kunal 126 -0.1
If winner is:HomeAway
Week of 11/11100.0*Chance in playoffs100.0*Average seed
Westport vs Hayons+17.7-17.7
+1.2-1.2
Eddie vs Kochen+1.5-1.5
+0.1-0.1
Lew vs Alex Wax+0.9-0.9
Bukantz vs Ray+0.8-0.8
+0.1-0.1
Helfman vs Kunal-0.2+0.2
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In64211400604,738
83-1100.0%1235341530002,407,185
72-291.606624342271003,615,186
61-37.6000172234269102,406,681
50-40.00018334711604,138
Total:67.5%712121314108974319,637,928
Games Above .500
Chance Will Make Playoffs