-10.79% is the change from 380 to 339
Calculation steps:
[( 339 - 380 ) ÷ 380] x 100 = -10.79%
Formula
Percentage change = [(339 - 380) / 380] x 100
Subtract the new number by the original number
339 - 380 = -41
-41 ÷ 380 = -0.10789473684210527
-0.10789473684210527 x 100 = -10.79%