TTM20162015201420132012
Restaurant-level operating margin15.1%16.7%16.6%15.1%18.0%17.3%
Restaurant-level operating margin growth (bps)-164-10155-29167-36
Operating margin-11.0%-2.9%1.6%-3.7%0.4%1.1%
Operating margin growth (bps)-1,123-442527-407-75-448
Net profit margin-12.8%-4.6%-0.3%-5.5%-3.1%-0.0%
Net profit margin growth (bps)-1,111-436522-236-313-373

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