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 +0.1
If winner is:HomeAway
Week of 11/11100.0*Chance in playoffs100.0*Average seed
Eddie vs Kochen+0.1Out
+0.3-0.1
Bukantz vs Ray-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
64-08.3%01723352581089,315
53-10.000419363281,140,315
42-2Out01736565,699,498
31-3Out69412,314,380
20-4Out1009,670,276
Total:0.0%0000013118528,913,784
Games Above .500
Chance Will Make Playoffs