MAGETWO-44076: Incorrect old price for products when custom options are percentage of product price

 - fixed

Author: Mike Weis

app/code/Magento/Catalog/Block/Product/View/Options.php

@@ -162,7 +162,7 @@ protected function _getPriceConfiguration($option)
         $data = [
             'prices' => [
                 'oldPrice' => [
-                    'amount' => $this->pricingHelper->currency($option->getPrice(false), false, false),
+                    'amount' => $optionPrice,
                     'adjustments' => [],
                 ],
                 'basePrice' => [