-50.61% is the change from 409 to 202
Calculation steps:
[( 202 - 409 ) ÷ 409] x 100 = -50.61%
Formula
Percentage change = [(202 - 409) / 409] x 100
Subtract the new number by the original number
202 - 409 = -207
-207 ÷ 409 = -0.5061124694376528
-0.5061124694376528 x 100 = -50.61%