3.27% is the change from 275 to 284
Calculation steps:
[( 284 - 275 ) ÷ 275] x 100 = 3.27%
Formula
Percentage change = [(284 - 275) / 275] x 100
Subtract the new number by the original number
284 - 275 = 9
9 ÷ 275 = 0.03272727272727273
0.03272727272727273 x 100 = 3.27%