How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Walsh 194.5 Dosters 192 -0.1
Brent 126.5 Perry 201 -0.1
If winner is:HomeAway
Thursday100.0*Average seed
Birk vs Dosters-0.2+0.2
Walsh vs Perry+0.1-0.1
Nick vs Andrew+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs123456789101112Count
205-00In982566,583
194-01In881202,812,698
183-02In613825,624,972
172-03In24611505,616,816
161-04In34351302,813,795
150-05In07533830564,680
Total:In44401520017,999,544
Points
Chance Will Make Playoffs