Year

Year 2019 is 71.88% complete.
71.88010345236235%

Month

Month 2019-9 is 64.54% complete.
64.54125583906301%

Day

Day 2019-9-20 is 36.23% complete.
36.23734758035978%

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

For example