1.43% is the change from 280 to 284
Calculation steps:
[( 284 - 280 ) ÷ 280] x 100 = 1.43%
Formula
Percentage change = [(284 - 280) / 280] x 100
Subtract the new number by the original number
284 - 280 = 4
4 ÷ 280 = 0.014285714285714285
0.014285714285714285 x 100 = 1.43%