Year

Year 2019 is 71.88% complete.
71.88901293240147%

Month

Month 2019-9 is 64.64% complete.
64.64965455125554%

Day

Day 2019-9-20 is 39.48% complete.
39.4893453303837%

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

For example