Explain the term 'Common-size statements' in financial statement analysis?

It's used to display the statement line items as a percentage of one selected item. For example we can prepare the common size income statement by displaying the different line items as a percentage of revenue. Or we can use the common-size balance sheet to display the different assets/liabilites itmes as percentages of total assets/liabilities. It helps to analyze the statements over time.

Reveal changes in the relative magnitude of each financial statement item. It focuses on percentage of change, not money amounts.