-6.88% is the change from 436 to 406
Calculation steps:
[( 406 - 436 ) ÷ 436] x 100 = -6.88%
Formula
Percentage change = [(406 - 436) / 436] x 100
Subtract the new number by the original number
406 - 436 = -30
-30 ÷ 436 = -0.06880733944954129
-0.06880733944954129 x 100 = -6.88%