-10.56% is the change from 322 to 288
Calculation steps:
[( 288 - 322 ) ÷ 322] x 100 = -10.56%
Formula
Percentage change = [(288 - 322) / 322] x 100
Subtract the new number by the original number
288 - 322 = -34
-34 ÷ 322 = -0.10559006211180125
-0.10559006211180125 x 100 = -10.56%