Year

Year 2019 is 64.31% complete.
64.31805951247004%

Month

Month 2019-8 is 73.42% complete.
73.42231701370689%

Day

Day 2019-8-23 is 76.09% complete.
76.09185832238234%

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

For example