How are these numbers calculated?

Big Games

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

Wednesday, 9/9100.0*Chance in playoffs100.0*Average seed
HFX 1 Forge 1 -1.2
-0.0
If winner is:HomeDrawAway
Cavalry vs Pacific-0.3+1.0-0.3
If winner is:HomeDrawAway
Saturday, 9/12100.0*Chance in playoffs100.0*Average seed
Forge vs Pacific+32.5-6.6-28.5
+0.8-0.1-0.7
Cavalry vs HFX+2.8+2.8-4.5
+0.1+0.1-0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
72-0-0In9376,504,444
51-1-098.8%386117,726,000
41-0-151.815047112,955,241
30-2-016.101672122,306,093
20-1-11.1145547,730,560
10-0-2Out7936,505,206
Total:48.7%2128272443,727,544
Points
Chance Will Make Playoffs