\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
In a classroom game, Ethan spins a spinner divided into 10 equal sections, numbered 1 to 10. Calculate the probability that the spinner lands on an even number, and express the result in percentage form.
\( P(\text{"landing on an even number"}) = \)
\(\pourcent\)