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 +0.6
Eugene 1 Portland 4 -0.1
Tucson 2 Albuquerque 5 +0.0
If winner is:HomeAway
Sunday100.0*Average seed
Casper vs Denver+0.6-0.8

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
123-0Out514726,296,340
112-1Out0574316,224,633
101-2Out87022013,952,708
90-3Out43455704,017,703
Total:Out83020241161040,491,384
Games Above .500
Chance Will Make Playoffs