Year

Year 2019 is 64.32% complete.
64.32174717305489%

Month

Month 2019-8 is 73.46% complete.
73.46573625800781%

Day

Day 2019-8-23 is 77.43% complete.
77.43786997201204%

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

For example