Drupal. Drawing an icon on an image

Question

Drupal

How can I make it possible to select a percentage when creating a material?

Answer 1

Add a "Percentage" field.
Bring him out.
Add margin styling to your theme's CSS.

Answer 2

If you need to display an image, look at the module https://drupal.org/project/imagecache_actions
It has a large number of rules for presets, as well as using php code to style an image.