How are these numbers calculated?

Big Games

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

Week of 2/6100.0*Chance in playoffs100.0*Average seed
Jeremy Kerman 645.5 Ted 708.5 +3.7
+0.6
Mitch 824.5 Jeremy Barr 601.5 -0.6
-0.1
Andrew 702.5 Matt 825 +0.4
+0.1
Marty 700 Joe 587 +0.3
Adam 771 Nick 722 -0.1
-0.1
If winner is:HomeAway
Week of 2/13100.0*Chance in playoffs100.0*Average seed
Ted vs Mitch+8.7-8.7
+0.6-0.6
Marty vs Adam-1.8+1.9
Joe vs Matt-1.2+1.2
-0.1+0.1
Nick vs Jeremy Kerman-0.6+0.7
Jeremy Barr vs Andrew+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
104-0091.3%04305781925,216
93-0119.11183243603,737,790
82-020.00125581515,680,008
71-03Out024542103,837,492
60-04Out2246113975,483
Total:10.3%0028920302110115,155,989
Points
Chance Will Make Playoffs