How are these numbers calculated?

Big Games

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

Saturday100.0*Average seed
Eugene 1 Portland 4 +0.7
Tucson 2 Albuquerque 5 +0.1
Hollywood 2 Hawaii 4 -0.1
Salt Lake 4 Boise 12 +0.0
If winner is:HomeAway
Sunday100.0*Average seed
Eugene vs Portland-0.5+0.7
Tucson vs Albuquerque-0.2+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
113-0Out446503,047,145
102-1Out213147112,478,918
91-2Out649406017,125,315
80-3Out7464517,840,006
Total:Out031012372611040,491,384
Games Above .500
Chance Will Make Playoffs