How are these numbers calculated?

Big Games

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

Week of 6/24100.0*Chance in playoffs100.0*Average seed
Brooklyn 3 NYAC 0 -23.1
-0.9
NYAC 0 Reds 4 -17.5
-0.7
Express 5 NYAC 1 Out
-1.0
Lowell 1 Brooklyn 6 +2.0
+0.1
Hartford 1 CosmosB 2 +1.4
Express 2 Mariners 0 -1.4
-0.1
Reds 2 TSF 1 -0.1
Stockade 5 Boston 1 -0.1
Week of 7/1100.0*Chance in playoffs100.0*Average seed
NYAC 3 Lowell 0 +0.6
CosmosB 4 Stockade 0 +0.4
Reds 4 Express 6 -0.1
If winner is:HomeDrawAway
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Boston vs Lowell+0.4+0.4-0.6

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567891011Count
140-0-0Out63371,193,749,010
Total:Out63371,193,749,010
Points
Chance Will Make Playoffs