-11.9% is the change from 353 to 311
Calculation steps:
[( 311 - 353 ) ÷ 353] x 100 = -11.9%
Formula
Percentage change = [(311 - 353) / 353] x 100
Subtract the new number by the original number
311 - 353 = -42
-42 ÷ 353 = -0.11898016997167139
-0.11898016997167139 x 100 = -11.9%