-95.79% is the change from 451 to 19
Calculation steps:
[( 19 - 451 ) ÷ 451] x 100 = -95.79%
Formula
Percentage change = [(19 - 451) / 451] x 100
Subtract the new number by the original number
19 - 451 = -432
-432 ÷ 451 = -0.9578713968957872
-0.9578713968957872 x 100 = -95.79%