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.
Q: [-81.88, 173.388, 200.532, 1.773, -25.043, -86.141]
A: 
[-0.448  0.949  1.098  0.01  -0.137 -0.472]