QUOTE(rap7733 @ Dec 2 2015, 09:03 AM)
Transaction Type: Aeon Watami
Transaction Date: 24/11/2015
Posting Date: 26/11/2015
Transaction amount: JPY28,000
Amount charged: RM1,049.27
Posted Rate: 3.7474
visa rate: 3.4698
Difference (3.7474 - 3.4698) / 3.4698 = 8.00%
Transaction Type: UOB VOX
Transaction Date: 24/11/2015
Posting Date: 26/11/2015
Transaction amount: JPY12,000
Amount charged: RM460.76
Posted Rate: 3.8397
visa rate: 3.4698
Difference (3.8397 - 3.4698) / 0.038397 = 9.63%
Did I calculated wrong?

The rate is very high.
you use posting date to calculate? if calculate using transaction date it's lower abit but the end result still very high
| Transaction Type | Aeon Watami |
(0.03840 - 0.035192)/0.035192 = 6.5%
(3.8397-3.5192)/0.035192 = 9.1%
another one recent transaction...
| Transaction Type | Aeon Watami |
| Transaction Date | 30/11/2015 |
| Posting Date | 02/12/2015 |
| Transaction amount | JPY1260 |
| Amount charged | RM46.34 |
| rate | 0.0368 |
| visa rate | 0.034872 |
| Difference | (46.34 -43.93872) /43.93872=5.46% |