Year

Year 2019 is 71.86% complete.
71.86956114727468%

Month

Month 2019-9 is 64.41% complete.
64.41299108174536%

Day

Day 2019-9-20 is 32.38% complete.
32.389361808503644%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example