Year

Year 2019 is 71.86% complete.
71.86723700910156%

Month

Month 2019-9 is 64.38% complete.
64.38471405729318%

Day

Day 2019-9-20 is 31.54% complete.
31.541041583697215%

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

For example