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
Neil 114.62 Aaron 118.46 -22.5
-1.2
Campo 133.78 Dave 99.7 +2.1
+0.1
Chris/Jonny 107.28 Ross 164.88 -1.4
Goodman 58.38 Alex 81.66 -1.0
-0.0
Nick 134.94 Cunje 139.94 -0.9
Kevin 128.46 Blair 86.92 -0.1
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Neil vs Nick+21.9-10.8
+1.3-0.6
Kevin vs Alex+1.4-3.0
+0.1-0.1
Chris/Jonny vs Blair-1.3+2.7
-0.1+0.1
Goodman vs Dave+2.8-0.8
+0.2-0.1
Campo vs Aaron+1.7-1.7
+0.1-0.1
Ross vs Cunje-0.4+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
84-0100.0%12843216101,065,674
73-174.40192638205105,664,537
62-23.6000316343412010,189,265
51-30.00021970906,859,039
40-4Out1563671,276,117
Total:22.5%0123610111619274025,054,632
Games Above .500
Chance Will Make Playoffs