diff --git a/app/Http/Controllers/PiggyBankController.php b/app/Http/Controllers/PiggyBankController.php
index 845c5f8e02..2435d37b76 100644
--- a/app/Http/Controllers/PiggyBankController.php
+++ b/app/Http/Controllers/PiggyBankController.php
@@ -187,8 +187,8 @@ class PiggyBankController extends Controller
                     'name'              => $account->name,
                     'balance'           => Steam::balance($account, $end, true),
                     'leftForPiggyBanks' => $repository->leftOnAccount($account, $end),
-                    'sumOfSaved'        => $piggyBank->savedSoFar,
-                    'sumOfTargets'      => round($piggyBank->targetamount, 2),
+                    'sumOfSaved'        => strval($piggyBank->savedSoFar),
+                    'sumOfTargets'      => strval(round($piggyBank->targetamount, 2)),
                     'leftToSave'        => $piggyBank->leftToSave,
                 ];
             } else {
diff --git a/app/Repositories/Account/AccountRepository.php b/app/Repositories/Account/AccountRepository.php
index 8b3a366166..99cf93bff8 100644
--- a/app/Repositories/Account/AccountRepository.php
+++ b/app/Repositories/Account/AccountRepository.php
@@ -333,7 +333,7 @@ class AccountRepository implements AccountRepositoryInterface
         $balance = Steam::balance($account, $date, true);
         /** @var PiggyBank $p */
         foreach ($account->piggyBanks()->get() as $p) {
-            $balance = bcsub($p->currentRelevantRep()->currentamount, $balance);
+            $balance = bcsub($balance, $p->currentRelevantRep()->currentamount);
         }
 
         return $balance;
@@ -544,7 +544,7 @@ class AccountRepository implements AccountRepositoryInterface
      * @return bool
      */
     private function storeMetadata(Account $account, array $data): bool
-    {        
+    {
         foreach ($this->validFields as $field) {
             if (isset($data[$field])) {
                 $metaData = new AccountMeta(