How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 50013915271855190$1,575,388
Auto Club 5001242508418510195346,615
Shelby 427434063434129,669
Kobalt Tools 5001230330127127122,065
Food City 50033334976464131,115
Goody’s Fast Relief 50023104999494119,715
Samsung 50053334551555160221,363
Subway Fresh Fit 50027173118282113,440
Aaron’s 499171318891125117136,315
Crown Royal Presents Richmond 4001335400124124121,390
Southern 500101367161345139142,188
Coca-Cola 6001030227134134160,965
Dover 40041440071605165179,940
Pocono 50016820061155120115,840
LifeLock 4002016200103103124,590
Toyota/Save Mart 3501810113109109126,663
Lenox Industrial Tools 30122102739797121,490
Coke Zero 40081016031425147153,915
LifeLock.com 40023332669494134,940
Allstate 400 at the Brickyard1025160134134225,065
Pennsylvania 500111220011305135121,515
NASCAR Sprint Cup Series at the Glen144290121121114,715
Michigan 400142520061215126131,340
Sharpie 500105500134134150,065
Pep Boys Auto 500121532511275132144,665
Chevy Rock and Roll 40025284008888116,990
Sylvania 30023383009494122,590
Dover 400 Number 2323400165165176,515
Kansas 4003923134146551128,290
Pepsi 5001317250124124144,340
Bank of America 50024334451705175240,915
Tums Fast Relief 5001432501121121120,290
Amp Energy 50024141919191121,790
Dickies 500330334165165267,515
Checker O'Reilly Auto Parts 500182831141095114115,765
Ford 4001334267124124
10,0702454,314+75-0=4,389$6,719,971