How can I calculate DPI?

Hello there, I'm curious about calculating DPI, which stands for Daily Performance Indicator. Could you please guide me through the process of determining this metric? I'm eager to understand the formula and the steps involved in computing it accurately. Is there a specific tool or software that you recommend for this purpose? Additionally, how does DPI help in assessing the performance of a cryptocurrency or financial investment over a shorter time frame? Your insights would be highly appreciated.