“The survey showed only 46 percent of storefront businesses in San Francisco that were open at the beginning of the pandemic are still operating,” Jay Cheng, a spokesman of the San Francisco Chamber of Commerce, told KPIX. Cheng said that means 1,200 stores are open and 1,300 have closed."
https://www.sfgate.com/business/article/Half-of-all-San-Francisco-storefronts-have-closed-15513726.php
https://www.sfgate.com/business/article/Half-of-all-San-Francisco-storefronts-have-closed-15513726.php