How are these numbers calculated?

Big Games

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

Week of 7/21100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Darlington Rage 0 Islington Rangers 0 -8.4
No
-0.3
Peterborough City 12 Cavan FC 0 -7.0
-0.2
RHSC Raiders 3 Cavan FC 0 -6.4
-0.2
Whitby Iroquois 2 Pickering Power 0 +5.2
No
+0.2
RHSC Raiders 6 Oshawa Turul 0 -4.4
-0.1
-0.2
Northumberland 4 Kawartha Inferno 0 -1.0
-0.8
-0.1
Week of 7/28100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Peterborough City 2 Islington Rangers 2 -25.7
-0.5
RHSC Raiders 3 Pickering Power 0 -7.3
Oshawa Kicks 0 Northumberland 3 +6.3
+0.2
RHSC Raiders 2 Peterborough City 3 Out
-0.1
Week of 8/4None

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPromoted1234567891011Count
140-0-0OutNo10043,727,536
Total:OutNo10043,727,536
Points
Chance Will Make Playoffs