-11.37% is the change from 343 to 304
Calculation steps:
[( 304 - 343 ) ÷ 343] x 100 = -11.37%
Formula
Percentage change = [(304 - 343) / 343] x 100
Subtract the new number by the original number
304 - 343 = -39
-39 ÷ 343 = -0.11370262390670553
-0.11370262390670553 x 100 = -11.37%