-87.93% is the change from 406 to 49
Calculation steps:
[( 49 - 406 ) ÷ 406] x 100 = -87.93%
Formula
Percentage change = [(49 - 406) / 406] x 100
Subtract the new number by the original number
49 - 406 = -357
-357 ÷ 406 = -0.8793103448275862
-0.8793103448275862 x 100 = -87.93%