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How to Handle New and Missing Records When Calculating % Change in Year Over Year

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@kayfont wrote:

Hi Everyone,

I am comparing data from 3 consecutive years. I want to create some maps of the year to year % change. I will group the data by zip code for the maps. The # of records per zip code may be different based on if the records appear in all 3 years or only in 2 consecutive years. What are my options for presenting the data (if records don’t appear in all 3 years) while keeping the data as consistent as possible ?

I want a map of % change from 1st to 2nd year and % change from 2nd to 3rd year. These will be grouped together to tell a story.

Thanks for reading my post. I appreciate your help!

Kay

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