If I build and net 10 widgets and ruin 1 in the process, what is the % of loss? Do I divide 1 by 10 or 11?

Question

If I build and net 10 widgets and ruin 1 in the process, what is the % of loss? Do I divide 1 by 10 or 11?

Answer 1

I don't know what a widget is but you are ruining 1 out of every 10, ie 10% of them, so the % loss is just 10% To find the actual number of ruined ones you divide by 10