Formatting financial statements in commn size can eliminate inherent bias' that usually occurs whenever analyzing companies of differing sizes. Common size also allows for the analysis of a company over various time periods rapidly, e.g. revealing what percentage of sales is cost of goods sold and how that value has changed over time.
Guardant Health Inc, https://guardanthealth.com/, SIC Code: 2835, IN VITRO AND IN VIVO DIAGNOSTIC SUBSTANCES
View Financial Statements Report for Guardant Health Inc