How are these numbers calculated?

Big Games

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

Week of 9/19100.0*Average seed
Hartford 0 Philadelphia II 3 +0.1
Loudoun 0 Pittsburgh 1 +0.1
If winner is:HomeDrawAway
Week of 9/26100.0*Average seed
Pittsburgh vs Hartford+0.0+0.0-0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345Count
35-37In1001,050,076,021*
341-0-1In991309,055,912
330-2-0In10099,011,530
320-1-1In919124,387,201
310-0-2In693134,693,456
Total:In9911,617,224,120

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs