Year

Year 2019 is 71.87% complete.
71.8799032328197%

Month

Month 2019-9 is 64.53% complete.
64.53881983376489%

Day

Day 2019-9-20 is 36.16% complete.
36.16426660376587%

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

For example