I need to construct a asset allocation attribution analysis over a target portfolio- how to get return percentage?

I have data (too much to put in this question, but will provide context)

-I have daily returns for a target portfolio, benchmark portfolio, and market (russell3000)

-I have the weights of assets in both the target and benchmark

-I am having trouble calculating the overall return rates. Please provide instructions how to do so for the period (250 observations) Need help- please provide instructions on how to get return percentage

- In target portfolio I have two ETF's please provide info on calculating the entire return rate for Equity section