Such a great project deserves an npm module.
Thanks a lot to André Firchow, who developed this circle.
For more information go to his blog: http://firchow.net/css3-prozentanzeige-kreis/.
A live demo can be found here: http://circle.firchow.net/
This is a fork from https://github.com/afuersch/css-percentage-circle.
Its been abandoned so I'll maintain this going forward.