-12.39% is the change from 355 to 311
Calculation steps:
[( 311 - 355 ) ÷ 355] x 100 = -12.39%
Formula
Percentage change = [(311 - 355) / 355] x 100
Subtract the new number by the original number
311 - 355 = -44
-44 ÷ 355 = -0.12394366197183099
-0.12394366197183099 x 100 = -12.39%