Hi

I need a bit of assistance with some maths! Sorry.

I can add together amounts of time on a sheet e.g. 01:23:00 + 05:28:00 =
06:51:00

But I want to find out how much of a percentage 01:23:00 is of 06:51:00 and
the same for 05:28:00.

And then create a pie chart to show this.

I just don't know where to start! I haven't a clue which formulas to use to
arrive at a percentage.

I don't expect you to show me how to do it all but some pointers in the
right direction would be much appreciated.

Thanks for your time.

Ian