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
Lapi 511 OQ 312 +9.0
+0.5
Luis 527 Alty 488 -3.7
Mike Neal 530 Andrew 497 +1.7
Randy 407 Gallo 422 -1.0
Santomauro 553 Billy 488 +0.1
If winner is:HomeAway
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Billy vs Lapi-5.8In
-1.0+1.0
Andrew vs Randy-2.6+5.0
-0.0+0.1
Vinny vs Luis+2.5-1.2
+0.2-0.1
Gallo vs Manny-0.5+0.7
OQ vs Mike Neal+0.8-0.4
+0.3-0.1
Alty vs Santomauro-0.2+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
132-0-0In841611,961,412
121-1-0In4334318225,057,067
110-2-077.7%2245221113,120,929
Total:94.2%22202215156050,139,408
Games Above .500
Chance Will Make Playoffs