Fix bug with percent formats with no integer part

CHANGELOG.md

Index: CHANGELOG.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 708eeb24a26c4e7b0ae966ac84ac71bbf4141ca9..30acb8500caf739c181278f9338d42063f131b9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## 0.12.0+1
+  * Fixes bug with printing a percent or permille format with no fraction
+  part and a number with no integer part. For example, print 0.12 with a
+  format pattern of "#%". The test for whether
+  there was a printable integer part tested the basic number, so it ignored the
+  integer digits. This was introduced in 0.11.2 when we stopped multiplying
+  the input number in the percent/permille case.
+
 ## 0.12.0
   * Make withLocale and defaultLocale use a zone, so async operations
     inside withLocale also get the correct locale. Bumping the version