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
RHSC Raiders 3 Cavan FC 0 +21.4
+1.8
+0.9
RHSC Raiders 6 Oshawa Turul 0 +18.5
+2.2
+0.9
Whitby Iroquois 2 Pickering Power 0 +3.8
-1.2
+0.1
Peterborough City 12 Cavan FC 0 -3.6
-0.1
Darlington Rage 0 Islington Rangers 0 +0.9
+0.0
Northumberland 4 Kawartha Inferno 0 -0.4
-0.5
+0.0
Week of 7/28100.0*Chance in playoffs100.0*Promoted100.0*Average seed
RHSC Raiders 3 Pickering Power 0 +25.8
+7.7
+1.2
Peterborough City 2 Islington Rangers 2 +4.8
+0.2
Oshawa Kicks 0 Northumberland 3 +2.6
-0.4
+0.1
RHSC Raiders 2 Peterborough City 3 No
-0.9
Whitby Iroquois 1 Darlington Rage 2 +1.5
If winner is:HomeDrawAway
Week of 8/4100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Kawartha Inferno vs RHSC Raiders-0.8-0.4+1.0
Pickering Power vs Oshawa Kicks+0.1+0.1-0.2

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPromoted1234567891011Count
181-0-0InNo10017,496,863
160-1-0InNo60408,743,165
150-0-1InNo217917,487,508
Total:InNo40204043,727,536
Points
Chance Will Make Playoffs