What is a one-sentence summary of the following article?
Place your cursor at the beginning on the page where you want to change the page numbering. In the Page Setup category, click the Breaks button. Select Next Page from the list of options. On the first page of the newly create section, double-click the either the header or footer to open the Design tab. This is located in the Navigation category. This will separate the two sections, letting the header and footer change. Headers and footers have separate links, so depending on where your page number is located, you will need to unlink the correct section. Insert your new page numbers. Use the Page Number Format window to change the format of the numbers. You c an also choose whether to continue the numbering from the previous section, or start new numbering.

Summary:
Choose where you want the numbers to change. Click the Page Layout tab. Click Link to Previous. Click the Page Number button in the Header & Footer category.