Year

Year 2019 is 64.31% complete.
64.31186209031165%

Month

Month 2019-8 is 73.34% complete.
73.349347340783%

Day

Day 2019-8-23 is 73.82% complete.
73.82977312475646%

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

For example