-4.51% is the change from 288 to 275
Calculation steps:
[( 275 - 288 ) ÷ 288] x 100 = -4.51%
Formula
Percentage change = [(275 - 288) / 288] x 100
Subtract the new number by the original number
275 - 288 = -13
-13 ÷ 288 = -0.04513888888888889
-0.04513888888888889 x 100 = -4.51%