Given the task definition and input, reply with output. In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[-72.282, -89.422, 161.33, -15.643, -84.173]

[ 0.721  0.893 -1.61   0.156  0.84 ]