How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/7100.0*Average seed
Milligan 130 Tony 90 +0.3
Commiss 105 Merrit 100 +0.1
Strain 119.6 Mia 150 +0.1
If winner is:HomeAway
Week of 3/14100.0*Average seed
Milligan vs Merrit+0.5-0.5
Strain vs Adam-0.2+0.2
Ferrari vs Mia-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
62-0Out6516194,501,763
51-1Out625698,995,265
40-2Out50504,502,512
Total:Out1916521317,999,540
Games Above .500
Chance Will Make Playoffs