Binary Sensor Extract attribute show % value

[koburg]

I got this device.

and want to display the progress in % I have tried some different ways but no luck so far.

{{ states('binary_sensor.loftlampe01_update_available','update').progress }}

{{ state_attr('binary_sensor.loftlampe01_update_available','update').progress }}

anybody know how to do this

thanks!

[koburg]

{{ state_attr('binary_sensor.loftlampe02_update_available' , 'update').progress }}

this is correct maybe a typo