-49.88% is the change from 409 to 205
Calculation steps:
[( 205 - 409 ) ÷ 409] x 100 = -49.88%
Formula
Percentage change = [(205 - 409) / 409] x 100
Subtract the new number by the original number
205 - 409 = -204
-204 ÷ 409 = -0.49877750611246946
-0.49877750611246946 x 100 = -49.88%