Year

Year 2019 is 95.41% complete.
95.41093004084648%

Month

Month 2019-12 is 45.96% complete.
45.967383633732105%

Day

Day 2019-12-15 is 24.98% complete.
24.988649836276313%

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

For example