TTM20172016201520142013
Restaurant-level operating margin17.4%18.5%20.0%21.1%20.0%20.0%
Restaurant-level operating margin growth (bps)-202-151-1131181-151
Operating margin-0.7%0.4%2.3%2.3%-2.8%0.8%
Operating margin growth (bps)-256-1945507-364-255
Net profit margin-1.7%-0.6%0.7%0.5%-5.8%-3.2%
Net profit margin growth (bps)-188-12916633-264-287

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