-18.07% is the change from 249 to 204
Calculation steps:
[( 204 - 249 ) ÷ 249] x 100 = -18.07%
Formula
Percentage change = [(204 - 249) / 249] x 100
Subtract the new number by the original number
204 - 249 = -45
-45 ÷ 249 = -0.18072289156626506
-0.18072289156626506 x 100 = -18.07%