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.
Clear Channel Outdoor Holdings, https://investor.clearchannel.com/home/default.aspx, SIC Code: 7312, OUTDOOR ADVERTISING SERVICES
View Financial Statements Report for Clear Channel Outdoor Holdings