-12.18% is the change from 353 to 310
Calculation steps:
[( 310 - 353 ) ÷ 353] x 100 = -12.18%
Formula
Percentage change = [(310 - 353) / 353] x 100
Subtract the new number by the original number
310 - 353 = -43
-43 ÷ 353 = -0.12181303116147309
-0.12181303116147309 x 100 = -12.18%