-8.22% is the change from 353 to 324
Calculation steps:
[( 324 - 353 ) ÷ 353] x 100 = -8.22%
Formula
Percentage change = [(324 - 353) / 353] x 100
Subtract the new number by the original number
324 - 353 = -29
-29 ÷ 353 = -0.0821529745042493
-0.0821529745042493 x 100 = -8.22%