Can you please show work on how you get the percentages. This is confusing and I cannot find any examples that show you how to get each percentage. Thank you in advance

Common-size financial statements. Prepare common-size income statements for Walmart and Starbucks using the January 2015 and September 2014 information in the popup window: B. Which company is doing a better job of getting sales dollars to net income? Where is the one company having an advantage over the other company in turning revenue into net income? Complete the table below: (Round to two decimal places. Net income to three decimal places.) Abbreviated Income Statements ($ in Millions) Company Walmart, Inc. Starbucks Account 1/31/2015 9/30/2014 Sales $ 491,826 % $ 16,733 % $ -370,429 % $ -7,235 % Cost of goods sold Selling, general, and administrative expenses -94,575 % $ -11,458 % |EBIT $ $ $ 26,822 % -1,960 % Interest expense -2,325 % -24 % Taxes -9,064 % $ 734 % Net income $ 15,433 % -1,250 %