Lumialxk Lumialxk - 5 months ago 10
iOS Question

How to add percent sign in string format?

I want to get string like

"99.99%"
from
Double
,and I used format to get this:

let rate = 99.99999
let str = String(format: "%.2f%", rate)
// output 99.99


And
\%
is not allowed. So how to add percent sign in string format, please help me!

Answer

write two time %:

rate = 99.99
let str = String(format: "%.2f%%", rate)
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