| your base search
| stats count AS statuscount by status
| eventstats sum(statuscount) AS totalcount
| eval percentage=statuscount/totalcount*100
| where percentage > 10
You can try :
index=<your index> | eventstats count as totalcount | chart count,first(totalcount) as totalcount by status | eval percentage=round(count/totalcount*100) | where percentage > 10
| your base search
| stats count AS statuscount by status
| eventstats sum(statuscount) AS totalcount
| eval percentage=statuscount/totalcount*100
| where percentage > 10