Set up a numbered style with the desired settings. Use the built-in List Number style as a starting point. To apply the style, first display the Apply Styles pane (Ctrl+Shift+S); then type in the style name and press Enter. Click to select the actual number and right-click; on the context menu, choose Adjust List Indents. Make the desired changes. Finally, update the style by right-clicking again, and select Styles | Update <style name> to Match Selection.

__________________
Stefan Blom
Microsoft Word MVP

Microsoft 365 apps for business
Windows 11 Professional