Calculate the percentage of variance for the below chart: 
Definitions:
Logos
A symbol or other design adopted by an organization to identify its products, uniform, vehicles, etc., sometimes referring to the logical appeal in rhetoric.
Ethos
A rhetorical appeal to authority or credibility, often used in persuasive writing and speech to establish trust with the audience.
Logos
An aspect of Aristotle's modes of persuasion, focusing on logic and reasoning to argue a point.
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