Year

Year 2019 is 64.31% complete.
64.31755717499546%

Month

Month 2019-8 is 73.41% complete.
73.41640239303385%

Day

Day 2019-8-23 is 75.9% complete.
75.90850302780636%

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

For example