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
Richmond 2 Harrisburg City 0 -5.5
-0.3
Pittsburgh 2 Real Maryland 0 -3.5
+0.0
Charlotte 2 Charleston 2 -0.1
-0.0
If winner is:HomeDrawAway
Pittsburgh vs Harrisburg CityOutOut+4.4
-0.2-0.0+0.4
If winner is:HomeDrawAway
Week of 8/7100.0*Chance in playoffs100.0*Average seed
Harrisburg City vs Richmond+3.3-0.1Out
+0.4-0.0-0.2
Pittsburgh vs CharlestonOut-0.2+0.9
Real Maryland vs Charlotte+0.4+0.4-0.6
-0.2+0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456Count
263-0-070.8%71272149,574
242-1-07.984943591,222
232-0-1Out3862764,025
221-2-0Out12871797,034
211-1-1Out9462,058,078
201-0-2Out87131,329,120
0-3-0Out8713358,544
190-2-1Out68321,388,836
180-1-2Out52481,788,463
170-0-3Out3367775,104
Total:1.5%27702210,000,000
Points  (Full Screen)
Chance Will Make Playoffs  (Full Screen)