-69.68% is the change from 409 to 124
Calculation steps:
[( 124 - 409 ) ÷ 409] x 100 = -69.68%
Formula
Percentage change = [(124 - 409) / 409] x 100
Subtract the new number by the original number
124 - 409 = -285
-285 ÷ 409 = -0.6968215158924206
-0.6968215158924206 x 100 = -69.68%