From 100% (totally safe) to 0% (on verge of breaking down, meds/therapy urgent). Number can be below 0%, which would mean increased likehood and severity of breakdown results, up to suicidal thoughts. I'll provide my opinions on HoloEN, you can choose any chuuba you want.

Gura: 60% (currently rising)
Ame: 50% (currently decreasing)
Ina: 100%
Kiara: 20%
Calli: 80%