Configure and display any number of percent-complete progress bars.
In the menus, you'll see a new menu for "Progress Bars" which is what you'll use to add and manage progress bars. There's also an area here for settings, but honestly if you never touch them, things will work fine.
After configuring a progress bar, insert it anywhere you'd like with shortcode.
[progress ids=12,33 width="25%"]
[progress ids=4 width="50%" class="aligncenter"]
Note that "id" and "ids" are interchangeable
Or use the widget which allows you to pick bars to display