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.

[157.309, 74.744, 147.315, -76.318, 185.694, 168.699, 145.835, -5.375]
[ 0.197  0.094  0.185 -0.096  0.233  0.211  0.183 -0.007]