-4.12% is the change from 291 to 279
Calculation steps:
[( 279 - 291 ) ÷ 291] x 100 = -4.12%
Formula
Percentage change = [(279 - 291) / 291] x 100
Subtract the new number by the original number
279 - 291 = -12
-12 ÷ 291 = -0.041237113402061855
-0.041237113402061855 x 100 = -4.12%