-54.99% is the change from 451 to 203
Calculation steps:
[( 203 - 451 ) ÷ 451] x 100 = -54.99%
Formula
Percentage change = [(203 - 451) / 451] x 100
Subtract the new number by the original number
203 - 451 = -248
-248 ÷ 451 = -0.549889135254989
-0.549889135254989 x 100 = -54.99%