-13.12% is the change from 343 to 298
Calculation steps:
[( 298 - 343 ) ÷ 343] x 100 = -13.12%
Formula
Percentage change = [(298 - 343) / 343] x 100
Subtract the new number by the original number
298 - 343 = -45
-45 ÷ 343 = -0.13119533527696792
-0.13119533527696792 x 100 = -13.12%