How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
White Sox 0 Wyverns 12 -0.3
If winner is:HomeAway
Saturday100.0*Average seed
Wyverns vs White Sox-0.2+0.1
Blue Jays vs Diamondbacks-0.2+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
242-0In3268119,898,706,717
22-23In100127,981,546,291*
Total:In1585247,880,253,008

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs