-5.9% is the change from 288 to 271
Calculation steps:
[( 271 - 288 ) ÷ 288] x 100 = -5.9%
Formula
Percentage change = [(271 - 288) / 288] x 100
Subtract the new number by the original number
271 - 288 = -17
-17 ÷ 288 = -0.059027777777777776
-0.059027777777777776 x 100 = -5.9%