-50.37% is the change from 409 to 203
Calculation steps:
[( 203 - 409 ) ÷ 409] x 100 = -50.37%
Formula
Percentage change = [(203 - 409) / 409] x 100
Subtract the new number by the original number
203 - 409 = -206
-206 ÷ 409 = -0.5036674816625917
-0.5036674816625917 x 100 = -50.37%