https://www.eveonline.com/signup?invc=6a6a9a4d-2f8c-44ac-8704-e170a1f747d0

not yet begun more than 24 hours
beginning to decay between 4 and 24 hours
reaching the end less than 4 hours

not yet over 50%
not to a critical degree between 50% and 10%
stability critically disrupted less than 10%