Show daily electricity usage in Dashboard

I have tuya device connected to measure my electricity usage. It shows the cumulative electricity usage with the sensor. (When I use the Tuya app, it shows daily, monthly, yearly & hourly usage) I want to calculate the usage for today & display it on the dashboard.
ex - Cumulative usage till now minus Cumulative usage at start of the day

I am very new to Home Assistant & can anyone please help me to get this work and show me the day’s usage on my Dashboard

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