Adobe Reader: How to Set Default Zoom

How to set a default zoom percentage for documents opened in Adobe Reader.

Open Adobe Reader.
Go to Edit, then Preferences at the bottom of the list. (CTRL + K)
In the categories to the left, select Page Display.
Within the first box labeled Default Layout and Zoom, set the zoom level to the desired percentage.
Click OK at the bottom of the window.
When documents are opened with Adobe Reader, they will display at the set zoom percentage.