How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Chance in playoffs100.0*Average seed
Dayton 2 Erie 1 +49.6
+0.9
Fort Pitt 2 Dayton 0 -31.0
-0.8
Cleveland 2 Lancers 0 -3.1
-0.1
Cleveland 2 Syracuse 0 -2.7
-0.1
Week of 7/9100.0*Chance in playoffs100.0*Average seed
Buffalo 3 Cleveland 1 In
+0.4
Erie 1 Cleveland 0 -0.6
-0.0
If winner is:HomeDrawAway
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Erie vs Syracuse-0.1-0.1+0.9

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567Count
210-0-0In595359,004,471,118
Total:In595359,004,471,118
Points
Chance Will Make Playoffs