Percentage of counts (view through rates)

I am looking to get percentages into a table.

I have 2 separate searches that count different events. I will like to combine the different searches into one table where the event count searches divide by the counts of the other search.

For example. If one search has a count of 50 and the other search has a count of 90. I will like a to create a table that shows 50/90= 55%.