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.
Procter & Gamble Co, https://us.pg.com/, SIC Code: 2841, SOAP AND OTHER DETERGENTS, EXCEPT SPECIALTY CLEANERS
View Financial Statements Report for Procter & Gamble Co