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
Chris/Jonny 110.14 Alex 126.68 -24.1
-1.3
Neil 114.38 Cunje 120.04 +2.7
+0.1
Goodman 54.68 Aaron 114.8 -1.6
-0.1
Kevin 91.5 Dave 78.62 +0.5
+0.1
Campo 85.18 Nick 69.86 -0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Chris/Jonny 147.6 Dave 141.8 +18.9
+1.1
Kevin 95.82 Aaron 179.8 -6.1
-0.1
Goodman 104.38 Nick 98.24 +1.2
+0.1
Ross 102.98 Alex 87.08 +0.6
Blair 94.74 Cunje 127.12 +0.4
+0.2
Neil 88.9 Campo 85.86 -0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Chris/Jonny vs Aaron+33.7Out
+0.9-0.9
Blair vs Alex+16.3-16.3
+0.3-0.3
Kevin vs Nick+6.6-6.6
+0.3-0.3
Ross vs Dave+5.9-5.9
+0.2-0.2
Neil vs Goodman-0.2+0.2

What If

Chances based on how well the Chris/Jonny finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-067.4%2132825338,997,406
60-1Out50509,002,138
Total:33.7%161413412517,999,544
Games Above .500
Chance Will Make Playoffs