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 Out
Randy 407 Gallo 422 Out
-0.4
Lapi 511 OQ 312 +0.1
If winner is:HomeAway
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Andrew vs Randy-0.3+0.5
Vinny vs Luis-0.3+0.1
OQ vs Mike Neal-0.1+0.1
Gallo vs Manny+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
82-0-0Out38501107,727,531
71-1-0Out218631824,281,689
60-2-0Out346618,130,188
Total:Out716443250,139,408
Games Above .500
Chance Will Make Playoffs