TTM20162015201420132012
Restaurant-level operating margin16.6%17.0%17.3%15.1%12.0%10.6%
Restaurant-level operating margin growth (bps)-8-29211309140209
Operating margin0.1%-0.5%-0.5%-0.8%-1.7%-2.4%
Operating margin growth (bps)162824936982
Net profit margin-1.2%-2.1%-1.8%-2.5%-3.0%-3.9%
Net profit margin growth (bps)184-2567549497

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