TTM20162015201420132012
Restaurant-level operating margin8.8%7.5%10.5%12.1%16.1%18.0%
Restaurant-level operating margin growth (bps)274-301-155-403-188240
Operating margin-22.5%-27.8%6.3%-1.5%1.0%0.3%
Operating margin growth (bps)-403-3,418786-25577394
Net profit margin-23.1%-28.2%5.8%-1.6%0.9%0.1%
Net profit margin growth (bps)-404-3,400739-24878380

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales