"1% Better Everyday" Is Not a Practical Quote

The above in bold is the contention that I will adhere to.

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Hello President WyIted or something like that, 

The issue with this quote is explaining how does one quantify +1% improvement? Additionally, what does a value of +100% look like in a tangible form that relates to the progress? A quality, characteristic, or skill being +100% improved means being twice/2x as good, but how can that be accurately measured? What does it mean in the line of progression to be “twice as good” at doing a particular thing? If someone were to walk up to a painter and judge his art by saying, “Man, your paintings are 100% better from 3 months ago,” it would be a subjective observation. Unless that critic was using a standard of criteria based on a graded scale of points or something of the like to judge the art and the previous art, then one could see the painter had, say, a 20/50 scoring 100 days ago and then today had a scoring of 40/50. Similarly, I know that with stats recording in sports, yes, it is possible to precisely measure different factors like the amount of goals/points and tallys of effective maneuvers or mistakes within the sport, whatever those may be. 

I have shown how literal 100% improvement can be measured in some cases, however my contention is not just about being 100% better, but is collectively also about somehow becoming 1% better every new day over a span of 100 days. I do not think this can be accurately measured which means it is not practical for quantifying the description of progression. 100% more from the initial rating is a very substantial increase as it is double the amount. Can someone feasibly reach such a level of improvement in such a short amount of time? And this question also needs to be answered: how can the improvement be measured every single day in intervals of +1% additions?