Seated diners in Cambridge, MA over the pandemic
Data source: https://www.opentable.com/state-of-industry
The OpenTable data compares seating in restaurants in 2020, 2021, and 2022 to same day of year in 2019. So e.g. it compares July 10th, 2021 to July 10th, 2019; this filters out seasonal impacts and just shows the impact of COVID-19.