I'm trying to build a search to show the difference of the field total across a 120 day interval.  The search I have below works, but its taking the min and max number across the whole 120 day interval, finding the difference, then computing a %. I need the search to take the first value on day 1, the last value on day 120, and show the difference and compute the percentage... 
 For the time interval, I was just using the time picker.... 
 Search: 
  | stats max(total) as Max, min(total) as Min, range(total) as Difference | eval Difference_Percent = Difference / Max * 100 | rename Difference_Percent as "Growth %"
  
						
					
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