How are these numbers calculated?

Big Games

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

Week of 8/12100.0*Chance in playoffs100.0*Average seed
Luis 527 Alty 488 +24.2
+1.0
Mike Neal 530 Andrew 497 +3.5
Lapi 511 OQ 312 -2.4
-0.1
Randy 407 Gallo 422 -2.0
-0.1
Santomauro 553 Billy 488 +0.2
If winner is:HomeAway
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Vinny vs Luis-26.6+12.6
-1.2+0.6
Andrew vs Randy-3.7+7.1
-0.1+0.1
Gallo vs Manny-2.5+3.7
-0.1+0.1
Alty vs Santomauro-2.3+1.1
-0.3+0.1
Billy vs Lapi+1.2-1.2
+0.1-0.1
OQ vs Mike Neal+1.1-0.5
+0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
122-0-0In5334218218,558,449
111-1-087.3%6394212124,252,721
100-2-013.91446407,328,238
Total:81.3%21219262313650,139,408
Games Above .500
Chance Will Make Playoffs