-54.57% is the change from 449 to 204
Calculation steps:
[( 204 - 449 ) ÷ 449] x 100 = -54.57%
Formula
Percentage change = [(204 - 449) / 449] x 100
Subtract the new number by the original number
204 - 449 = -245
-245 ÷ 449 = -0.5456570155902004
-0.5456570155902004 x 100 = -54.57%