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*Chance in playoffs100.0*Average seed
Bodie 120 Ferrari 75 Out
-0.5
Commiss 105 Merrit 100 Out
Adam 105.3 Joe 119.7 -0.1
Milligan 130 Tony 90 -0.1
Strain 119.6 Mia 150 +0.0
If winner is:HomeAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Ferrari vs Mia+0.5-0.1
Tony vs Joe+0.2-0.2
Strain vs Adam-0.2+0.1
Milligan vs Merrit-0.1+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
72-0Out384134,160,032
61-1Out4349825,100,684
50-2Out1874826,024,304
Total:Out0263238455,285,020
Games Above .500
Chance Will Make Playoffs