How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
JDL 109.26 JRich 110.92 -16.3
-0.8
Mitch 69.34 Scully 88.58 +2.6
+0.1
Marsh 129.78 Troy 70.26 -2.2
-0.1
Ere 79.74 Ali 96 -1.8
-0.1
Ollie 125.36 Hacksaw 68.14 +1.0
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Ollie vs JDL-16.3+16.3
-1.0+1.0
JRich vs Troy-2.2+2.2
-0.1+0.1
Ere vs Hacksaw+2.1-2.1
Marsh vs Scully-1.9+1.9
-0.1+0.1
Ali vs Mitch+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
94-00100.0%8781310604,570
83-0190.702240289102,407,224
72-0216.30214313417203,611,680
61-030.000629442102,409,687
50-04Out011836604,779
Total:35.1%1111212141413121009,637,940
Points
Chance Will Make Playoffs