Year

Year 2019 is 64.31% complete.
64.3174491016759%

Month

Month 2019-8 is 73.41% complete.
73.41512991641737%

Day

Day 2019-8-23 is 75.86% complete.
75.86905581085843%

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

For example