How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday100.0*Average seed
Casper 5 Denver 1 +0.8
Tucson 2 Albuquerque 5 +0.1
Salt Lake 4 Boise 12 +0.1
Eugene 1 Portland 4 -0.1
If winner is:HomeAway
Sunday100.0*Average seed
Casper vs Denver+0.9-0.9
Tucson vs Albuquerque-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
123-0Out584011,530,696
112-1Out164354,576,824
101-2Out5583344,572,317
90-3Out214493151,530,907
Total:Out82915221474112,210,744
Games Above .500
Chance Will Make Playoffs