-5.59% is the change from 286 to 270
Calculation steps:
[( 270 - 286 ) ÷ 286] x 100 = -5.59%
Formula
Percentage change = [(270 - 286) / 286] x 100
Subtract the new number by the original number
270 - 286 = -16
-16 ÷ 286 = -0.055944055944055944
-0.055944055944055944 x 100 = -5.59%