Acrobat DC - Organize Pages - Change Default Zoom Level?

The "Organize Pages" plug-in defaults to a zoom level of 5-thumbnails across. I always need to zoom in to 3 or 4 across. I can't find any way to change the default setting. (The "Page Display" settings in Preferences has no effect.) 

Acrobat DC Version: 20.6.20042.371103