TransData

If you have the above questions, then your PC should have TransData App. It shows network data transfer rate in Kbps/Mbps with up/down speed on your menu bar. Display the total data used by Mac from the start of the session. Monitor and reset Internet data usage. Displays connected WiFi network in the menu.
A Beautiful widget or graph that shows upload & download internet speed per second. The display refresh rate can be set in preferences. Internet data can be displayed in two formats either KB/s(Bytes) or kb/s(bits). Dark/Light mode for all macOS versions.