Where do I find Depreciation figure on U.S. tax form?

You would want to look for a Form 4562, Depreciation and Amortization in your tax return. Be sure to print all worksheets and forms when you print your return. 

It will shows the accumulated (or lifetime) depreciation as well as the deprecation expense taken this year.

My 2105 tax preparer did not use Form 4562. We used Schedule C, Profit or Loss from Business. Has something changed for 2016 returns?