-4.9% is the change from 286 to 272
Calculation steps:
[( 272 - 286 ) ÷ 286] x 100 = -4.9%
Formula
Percentage change = [(272 - 286) / 286] x 100
Subtract the new number by the original number
272 - 286 = -14
-14 ÷ 286 = -0.04895104895104895
-0.04895104895104895 x 100 = -4.9%