Year

Year 2019 is 95.42% complete.
95.42142587935142%

Month

Month 2019-12 is 46.09% complete.
46.090963709962686%

Day

Day 2019-12-15 is 28.81% complete.
28.81967510966954%

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

For example