No, one percent is one part per 100. 1 ppm is equal to one part per 1,000,000. In other words, 1 PPM is 10,000 times smaller than 1%.
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0.110 ppm = 0.000011%
1 ppm is approximately 1gram per ton
1 percent of 1 billion = 10 million
Expressed as a percentage, 1/200 is equal to 1/200 x 100 = 0.5 percent.
As long as it is 1/10 of 1, yes, this is equal to one tenth, or ten percent, of 1.