C#. How to get Windows screen scale?

Question

C++ / C#

Good afternoon!
Can you please tell me how to get the scale of the Windows screen in C#?
those. percentage value 100% or 125% or 150% or 175%
I get the screen resolution using:
Size resolution = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Size;
But I don’t understand the scale ..
Thanks in advance!