How are these numbers calculated?

Big Games

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

Week of 7/31100.0*Chance in playoffs100.0*Average seed
Pittsburgh 2 Real Maryland 0 +12.9
+0.3
Richmond 2 Harrisburg City 0 +3.5
Charlotte 2 Charleston 2 +0.9
+0.0
If winner is:HomeDrawAway
Pittsburgh vs Harrisburg City+5.1+1.4-10.0
+0.2-0.0-0.2
If winner is:HomeDrawAway
Week of 8/7100.0*Chance in playoffs100.0*Average seed
Pittsburgh vs Charleston+5.3+1.4-3.9
+0.2-0.0-0.1
Real Maryland vs Charlotte+3.3+2.3-4.2
+0.0+0.0-0.1
Harrisburg City vs Richmond-2.3-0.4+1.4
+0.1+0.0-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456Count
333-0-0In7921405,633
312-1-0In29711,203,301
302-0-1In18821,242,976
291-2-0In4961,153,467
281-1-1In1002,280,033
271-0-296.2%9641,077,400
0-3-096.2964357,648
260-2-192.49281,034,310
250-1-278.478211953,281
240-0-327.3274726291,951
Total:94.5%9855110,000,000
Points
Chance Will Make Playoffs