-9.03% is the change from 321 to 292
Calculation steps:
[( 292 - 321 ) ÷ 321] x 100 = -9.03%
Formula
Percentage change = [(292 - 321) / 321] x 100
Subtract the new number by the original number
292 - 321 = -29
-29 ÷ 321 = -0.09034267912772585
-0.09034267912772585 x 100 = -9.03%