-54.77% is the change from 451 to 204
Calculation steps:
[( 204 - 451 ) ÷ 451] x 100 = -54.77%
Formula
Percentage change = [(204 - 451) / 451] x 100
Subtract the new number by the original number
204 - 451 = -247
-247 ÷ 451 = -0.5476718403547672
-0.5476718403547672 x 100 = -54.77%