How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 5003171527070$374,649
Auto Club 50092250741385143160,526
Shelby 427243284929110101145,201
Kobalt Tools 50097330111385143132,126
Food City 50033503881655170168,876
Goody’s Fast Relief 50019500421855190213,626
Samsung 5002933411705175367,724
Subway Fresh Fit 50041031211605165167,711
Aaron’s 4993036179273578137,026
Crown Royal Presents Richmond 40036153685555121,976
Southern 50024236721705175236,999
Coca-Cola 60013522761245129158,751
Dover 4001840029818510195341,151
Pocono 50073200311465151147,351
LifeLock 4002232001469710107130,751
Toyota/Save Mart 350411113160160175,274
Lenox Industrial Tools 301932739313810148142,751
Coke Zero 40023160170170248,326
LifeLock.com 40083267581425147163,051
Allstate 400 at the Brickyard116160241855190448,001
Pennsylvania 500132200221245129132,751
NASCAR Sprint Cup Series at the Glen1219041275132135,376
Michigan 400334199133641074129,201
Sharpie 5008215001071425147165,126
Pep Boys Auto 5003633031755560140,351
Chevy Rock and Roll 400114400130130130,326
Sylvania 300416300141605165168,526
Dover 400 Number 21140027118510195276,076
Kansas 400911267531385143154,951
Pepsi 5001325012618510195302,801
Bank of America 500113349218510195328,826
Tums Fast Relief 5002155011641705175169,526
Amp Energy 50061191150150151,876
Dickies 50038122054949151,901
Checker O'Reilly Auto Parts 5001331223818510195267,001
Ford 40051267271555160
10,2982,2374,966+190-0=5,156$6,986,462