Symbol 3318 from ISO 7000 - Title/Meaning: Progress toward completion, general Function/description: To indicate the degree of progress toward completion of a process.
pay attention to orientation of symbolAdditional information: 
Individual quadrants of the circle, starting with the upper right, are filled with appropriate line patterns, colours, or progressively darker grey scale when the process reaches the corresponding percentage completion.
Own work using: iso.org/obp/graphics/grs/4b55765d-4de7-4913-9fd3-d468d9588ac6 200.png
Vectorization:  Mrmw