Year

Year 2019 is 95.41% complete.
95.41240845193742%

Month

Month 2019-12 is 45.98% complete.
45.984790738008115%

Day

Day 2019-12-15 is 25.52% complete.
25.528276113036092%

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

For example