-6.4% is the change from 406 to 380
Calculation steps:
[( 380 - 406 ) ÷ 406] x 100 = -6.4%
Formula
Percentage change = [(380 - 406) / 406] x 100
Subtract the new number by the original number
380 - 406 = -26
-26 ÷ 406 = -0.06403940886699508
-0.06403940886699508 x 100 = -6.4%