Show `x.xMB/S` instead of `xxx.xK/S` to prevent it being big in the internet stats.

[ftk789]

Is your feature request related to a problem? If so, please describe the problem.
No.

Describe the feature / solution to your problem you'd like
Show x.xMB/S instead of xxx.xB/S to prevent it being big

Describe alternatives you've considered / and or tested
Making the FONT Size smaller.

Screenshots / photos & mockups of the Turing screen

Environment:
Windows 10 Ethernet 2

Additional context
Thank you for an AMAZING project. Also I'm using the main.py