-14.11% is the change from 326 to 280
Calculation steps:
[( 280 - 326 ) ÷ 326] x 100 = -14.11%
Formula
Percentage change = [(280 - 326) / 326] x 100
Subtract the new number by the original number
280 - 326 = -46
-46 ÷ 326 = -0.1411042944785276
-0.1411042944785276 x 100 = -14.11%