CTRL+SHIFT+%
Applies the Percentage format with no decimal places.

CTRL+SHIFT+^
Applies the Exponential number format with two decimal places.

CTRL+SHIFT+#
Applies the Date format with the day, month, and year.

CTRL+SHIFT+@
Applies the Time format with the hour and minute, and AM or PM.

CTRL+SHIFT+!
Applies the Number format with two decimal places, thousands separator, and minus sign (-) for negative values.