-10.51% is the change from 390 to 349
Calculation steps:
[( 349 - 390 ) ÷ 390] x 100 = -10.51%
Formula
Percentage change = [(349 - 390) / 390] x 100
Subtract the new number by the original number
349 - 390 = -41
-41 ÷ 390 = -0.10512820512820513
-0.10512820512820513 x 100 = -10.51%