-51.2% is the change from 418 to 204
Calculation steps:
[( 204 - 418 ) ÷ 418] x 100 = -51.2%
Formula
Percentage change = [(204 - 418) / 418] x 100
Subtract the new number by the original number
204 - 418 = -214
-214 ÷ 418 = -0.5119617224880383
-0.5119617224880383 x 100 = -51.2%