diff --git a/src/Helpers.php b/src/Helpers.php
index 4038b94..014899f 100644
--- a/src/Helpers.php
+++ b/src/Helpers.php
@@ -2,8 +2,7 @@
 
 use Mattiasgeniar\Percentage\Percentage;
 
-if (!function_exists("percentage_between"))
-{
+if (! function_exists("percentage_between")) {
     /**
      * @param float $a
      * @param float $b
@@ -15,8 +14,7 @@ function percentage_between(float $a, float $b): float
     }
 }
 
-if (!function_exists("percentage_abs_between"))
-{
+if (! function_exists("percentage_abs_between")) {
     /**
      * @param float $a
      * @param float $b
@@ -28,8 +26,7 @@ function percentage_abs_between(float $a, float $b): float
     }
 }
 
-if (!function_exists("percentage"))
-{
+if (! function_exists("percentage")) {
     /**
      * @param float $a
      * @param float $b
@@ -41,8 +38,7 @@ function percentage(float $a, float $b): float
     }
 }
 
-if (!function_exists("percentage_of"))
-{
+if (! function_exists("percentage_of")) {
     /**
      * @param float $percentage
      * @param float $number
@@ -54,8 +50,7 @@ function percentage_of(float $percentage, float $number): float
     }
 }
 
-if (!function_exists("percentage_extension"))
-{
+if (! function_exists("percentage_extension")) {
     /**
      * @param float $percentage
      * @param float $a
diff --git a/tests/HelpersTest.php b/tests/HelpersTest.php
index 20c7c17..ecbf459 100644
--- a/tests/HelpersTest.php
+++ b/tests/HelpersTest.php
@@ -52,5 +52,4 @@ public function it_can_calculate_percentage_extension(): void
         $result = percentage_extension(1, 1, 1);
         self::assertNotNull($result);
     }
-
 }