Calculate a nas disc usage percentage with total and used value

Configuration
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1

i want to create a disc fullness percentage sensor from the total disc capacity and the used capacity value
how do i do this?

immagine
immagine1644×1662 189 KB

this are the sensor attribute i can use

2

solved with a template sensor with this value template:

value_template: {{ ((state_attr('sensor.shiroe_tower_disk_1', 'fsused')|int) / (state_attr('sensor.shiroe_tower_disk_1', 'fssize')|int) *100)|round(1) }}