-29.56% is the change from 406 to 286
Calculation steps:
[( 286 - 406 ) ÷ 406] x 100 = -29.56%
Formula
Percentage change = [(286 - 406) / 406] x 100
Subtract the new number by the original number
286 - 406 = -120
-120 ÷ 406 = -0.2955665024630542
-0.2955665024630542 x 100 = -29.56%