If you use a percent difference Quick Table Calculation, what value will be the first data value?

If you use a percent difference Quick Table Calculation, what value will be the first data value?
A . null
B. -1
C. 0000
D. 0

View Answer

Answer: A

Explanation:

When using a Percent difference, Tableau calculates what the percent change has occured as compared to the last data value. BUT, for the first data value, there is no previous value to compare it to. Hence, it appears as NULL.

Chart, line chart

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