==PERCENTILE.EXC(array,k)
=PERCENTILE.EXC(range,.4)
This formula will return the value at the 40th percentile of the range of data.
=PERCENTILE.EXC(range,.9)
This will return the value at the 90th percentile of the range of data.
=PERCENTILE.EXC(range,80%)
This will return the value at the 80th percentile of the range of data.
The PERCENTILE.EXC function allows users to calculate the kth percentile of values in a given range. The function returns the #NUM! error if the array argument is empty.