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.

[221.151, 9.165, 71.851, 174.244, 183.043, 82.189, -62.481]

[ 0.326  0.013  0.106  0.257  0.27   0.121 -0.092]