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
Northumberland 4 Kawartha Inferno 0 +0.8
+4.3
+0.4
Whitby Iroquois 2 Pickering Power 0 +0.3
-5.7
-0.1
Peterborough City 12 Cavan FC 0 -0.2
-0.3
-0.1
RHSC Raiders 6 Oshawa Turul 0 -0.2
-0.3
-0.1
Darlington Rage 0 Islington Rangers 0 -0.1
RHSC Raiders 3 Cavan FC 0 -0.3
-0.1
Week of 7/28100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Oshawa Kicks 0 Northumberland 3 +72.6
+1.4
RHSC Raiders 2 Peterborough City 3 Yes
+0.1
Whitby Iroquois 1 Darlington Rage 2 +10.5
+0.1
RHSC Raiders 3 Pickering Power 0 -1.1
-0.1
Peterborough City 2 Islington Rangers 2 +0.1
Week of 8/4None

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPromoted1234567891011Count
210-0-0InYes100131,182,608
Total:InYes100131,182,608
Points
Chance Will Make Playoffs