How can I track month over month stats in my dashboard? Would a multi stage query work for this?

For example, how would I take the curated dashboard query:

$event.ingestion.component = "Ingestion API"

$Log_Type = $event.ingestion.log_type
$Log_Type != ""
match:
    $Log_Type
outcome:
    $Count = sum($event.ingestion.log_volume)
order:
    $Count desc
limit:
    50

and modify it to return stats for each log type - one that looks at current 30 days and one the 30 days before that and calcs the difference?