-8.73% is the change from 355 to 324
Calculation steps:
[( 324 - 355 ) ÷ 355] x 100 = -8.73%
Formula
Percentage change = [(324 - 355) / 355] x 100
Subtract the new number by the original number
324 - 355 = -31
-31 ÷ 355 = -0.08732394366197183
-0.08732394366197183 x 100 = -8.73%