=PERCENTRANK.INC(array, x, [significance])
The function can be used to find a given value's rank in a range of values. For example, if the range A2:A11 contains the values 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, then the PERCENTRANK.INC function can be used to calculate the percent rank of 2 in the range. The formula would return 0.333. This is because 3 of the values in the range are smaller than 2, and 6 of the values in the range are larger than 2; 3 divided by (3+6) is 0.333.
=PERCENTRANK.INC(A2:A11,8)
The function can also be used to find the percent rank of a value that is not among the values in the range. For example, if the range A2:A11 contains the values 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, then the PERCENTRANK.INC function can be used to calculate the percent rank of 8 in the range. The formula would return 0.889. This is because 8 is the 8th value in the range when counting from the leftmost column.
The PERCENTRANK.INC function is used to calculate the relative rank of a value within a data set. It returns the rank of a value as a percentage of the whole set and can interpolate if the value does not match one of the values in the array. It returns a #NUM! error if the array is empty.