-39.41% is the change from 406 to 246
Calculation steps:
[( 246 - 406 ) ÷ 406] x 100 = -39.41%
Formula
Percentage change = [(246 - 406) / 406] x 100
Subtract the new number by the original number
246 - 406 = -160
-160 ÷ 406 = -0.39408866995073893
-0.39408866995073893 x 100 = -39.41%