I copied your image to Inkscape and went to Path > Trace Bitmap, default settings.

Done. SVG is Inkscape's native file type.

[![enter image description here][1]][1]

Because it's now a vector, the fill and stroke could be changed in a second. 

Side by side comparison original vs. SVG does not show any serious differences except my random color selection:

[![enter image description here][2]][2]

NOTE: Your image is easily traceable because all borders are crisp and there's not much different colors. Tracing for example photos is quite unuseful.Having few colors with sharp borders goes well.


  [1]: https://i.sstatic.net/6EtSX.jpg
  [2]: https://i.sstatic.net/LroZr.jpg