Year

Year 2019 is 71.87% complete.
71.87339575115111%

Month

Month 2019-9 is 64.45% complete.
64.45964544542858%

Day

Day 2019-9-20 is 33.78% complete.
33.78900837863208%

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

For example