How are these numbers calculated?

Big Games

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

Saturday100.0*Average seed
Blue Jays 7 Reds 6 -0.3
Orioles 11 Nationals 7 +0.3
Cardinals 10 Twins 2 -0.3
If winner is:HomeAway
Sunday100.0*Average seed
Reds vs Blue Jays+0.3-0.2
Wiz vs Nationals+0.3-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
301-0In10013,257,972,490
290-1In544624,552,295,290
Total:In703037,810,267,780
Games Above .500
Chance Will Make Playoffs