While calculating a pie graph with 2 segments of data, if we get 75% for one data segment and the remaining 25% for the other data segment, we will end up with a 75-25 pie chart, where three quarters will represent one segment. In contrast, one quarter will represent the other segment. The 75-25 pie chart means that the pie chart is divided in the ratio 75:25 or 3:1 between the two segments. Read more