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
Mitch 824.5 Jeremy Barr 601.5 +8.4
+0.6
Marty 700 Joe 587 -1.6
Adam 771 Nick 722 +1.6
Jeremy Kerman 645.5 Ted 708.5 -0.2
Andrew 702.5 Matt 825 +0.1
If winner is:HomeAway
Week of 2/13100.0*Chance in playoffs100.0*Average seed
Ted vs Mitch-13.1+13.2
-0.6+0.6
Nick vs Jeremy Kerman-4.1+4.8
-0.1+0.1
Marty vs Adam-3.2+3.3
Jeremy Barr vs Andrew-1.4+1.7
Joe vs Matt-0.8+0.8
-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
114-0097.4%09543431,046,203
103-0153.4084545203,973,656
92-027.007732005,674,225
81-030.1084737703,603,272
70-04Out21946321858,633
Total:23.4%0161741191042015,155,989
Points
Chance Will Make Playoffs