How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
John 154.1 Roger 134.58 -1.1
-0.7
Steve 99.14 Nick 116.44 -0.1
+0.1
Jordan 108.14 Ryan 119.84 -0.0
Chris 127.42 Nana 180.34 -0.0
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Nana 112.14 Roger 81.58 -4.3
-0.5
Evan 143.84 Steve 75.88 +0.1
Nick 105 John 141.3 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Roger 71.16 Nick 131.04 -22.5
-1.3
Bobby 125.44 Nana 115.06 -4.2
-0.2
Steve 143.7 Jordan 119.8 -1.5
Chuck 120.9 Andy 138.94 -1.2
-0.1
John 122.74 Evan 127.94 +0.5
+0.1
Chris 102.76 Ryan 137 -0.3
-0.1
If winner is:HomeAway
Evan vs RogerOut+33.9
-1.5+1.5
Jordan vs John+6.9-5.1
+0.1-0.1
Steve vs Chuck-3.1+7.8
-0.1+0.4
Nana vs Nick+3.6-4.9
+0.1-0.2
Bobby vs Ryan-4.2+3.1
-0.2+0.1
Andy vs Chris-1.5+5.2
-0.1+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-067.9%2122528231034,074,341
60-1Out216651634,074,659
Total:33.9%161314121333868,149,000
Games Above .500
Chance Will Make Playoffs