-93.74% is the change from 447 to 28
Calculation steps:
[( 28 - 447 ) ÷ 447] x 100 = -93.74%
Formula
Percentage change = [(28 - 447) / 447] x 100
Subtract the new number by the original number
28 - 447 = -419
-419 ÷ 447 = -0.9373601789709173
-0.9373601789709173 x 100 = -93.74%