2.14% is the change from 280 to 286
Calculation steps:
[( 286 - 280 ) ÷ 280] x 100 = 2.14%
Formula
Percentage change = [(286 - 280) / 280] x 100
Subtract the new number by the original number
286 - 280 = 6
6 ÷ 280 = 0.02142857142857143
0.02142857142857143 x 100 = 2.14%