https://www.lightningdesignsystem.com/components/progress-ring/
<c:ProgressRing size="large" percent="50" variant="active-step" icon="utility:fallback" label="1" />
size
[large] default is ''
percent
[0-100] default is 0
variant
[complete|warning|expired|active-step] default is ''
icon
[{icon:name}] default is ''
label
[0-99A-Z] default is ''