How are these numbers calculated?

Big Games

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

Saturday, 9/12100.0*Chance in playoffs100.0*Average seed
Forge 2 Pacific 0 -1.6
-0.1
If winner is:HomeDrawAway
Cavalry vs HFX-38.8-12.8+46.4
-0.7-0.4+0.9
If winner is:HomeDrawAway
Tuesday, 9/15100.0*Chance in playoffs100.0*Average seed
HFX vs Pacific+21.2-10.1-15.2
+0.7+0.0-0.7
Cavalry vs Forge+3.5-3.9-1.1
+0.0+0.1-0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
72-0-0In87139,184,013
51-1-096.5%1581310,909,407
41-0-156.2564418,292,449
30-2-0Out1003,253,054
20-1-1Out505010,911,915
10-0-2Out1009,186,306
Total:48.6%1633282461,737,144
Points
Chance Will Make Playoffs