How are these numbers calculated?

Big Games

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

Week of 11/8100.0*Chance in playoffs100.0*Average seed
Campo 133.78 Dave 99.7 +12.2
+0.9
Goodman 58.38 Alex 81.66 -1.8
-0.1
Chris/Jonny 107.28 Ross 164.88 -0.8
Kevin 128.46 Blair 86.92 +0.6
+0.1
Neil 114.62 Aaron 118.46 +0.3
Nick 134.94 Cunje 139.94 -0.2
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Campo vs Aaron+17.3-17.3
+1.1-1.1
Kevin vs Alex+2.7-2.7
+0.1-0.1
Chris/Jonny vs Blair-2.1+2.1
Neil vs Nick+1.5-1.5
Goodman vs Dave+1.4-1.4
+0.1-0.1
Ross vs Cunje-1.0+1.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
84-099.9%11335351420522,608
73-170.8002102435236002,087,226
62-29.30018273422713,131,558
51-30.001930441602,086,326
40-4Out232634523,826
Total:27.5%013571216171615808,351,544
Games Above .500
Chance Will Make Playoffs