How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Jake 142 Brenden 123 +18.3
+0.6
Swan 144 Eric 110 +12.9
+0.1
Graham 125 Tim 175 +0.1
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Graham vs Jake-4.7In
-0.4+0.4
Mahoney vs EricIn-4.7
+0.1-0.1
Tim vs Brenden+1.6-1.6
+0.2-0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
72-0In1337506,437,086
61-1In604012,851,146
50-281.3%1962196,429,704
Total:95.3%394736525,717,936
Games Above .500
Chance Will Make Playoffs