In the currency pair USD/SGD the first currency to consider is USD and second currency SGD which seeks to find out how many SGD are needed to acquire a USD. After recent events that figure is at 1.33230.
For this transaction, the base currency is USD and on the other hand, SGD is considered the counter currency (although it can also be called the quote currency).
Analyzing the evolution of the price in the last hours we can observe that the maximum price that this pair has reached has been 1.33500 while the minimum price has been 1.33130 , so, speaking in terms of variation, we can say that it has undergone a variation of -0.14000% due to the amount of difference of -0.00190.