PERCENTILE.EXC Returns the k-th percentile of values in a range, where k is in the range 0..1, exclusive.
Syntax
PERCENTILE.EXC(column, k)
Parameters
column – A column containing the values that define relative standing.
K – The percentile value in the range 0..1, exclusive.
Return Value
The k-th percentile of values in a range, where k is in the range 0..1, exclusive.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference