By default, for all the widgets, the response count is displayed next to the widget title. Option to disable response counts lies under Edit Widget as a setting. To disable viewing the response count, follow these simple steps.
The response count for each widget is different because it represent the total responses for a particular question for which the widget is created. It's not the total response count of a survey but question specific count. It is ideally the base of all the calculated values shown up on that widget