Documents/Pdf: fix progression

Elwig/Documents/Pdf.cs

@@ -47,7 +47,7 @@ namespace Elwig.Documents {
                     return Array.Empty<int>();
                 } else if (line.StartsWith("progress:")) {
                     var parts = line[9..].Trim().Split('/').Select(int.Parse).ToArray();
-                    progress?.Report(parts[0] / (double)parts[1]);
+                    progress?.Report(100.0 * parts[0] / parts[1]);
                 } else if (line.StartsWith("success:")) {
                     var m = Regex.Match(line, @"\(([0-9, ]+)\)");
                     return m.Groups[1].Value.Split(", ").Select(int.Parse);