-95.53% is the change from 447 to 20
Calculation steps:
[( 20 - 447 ) ÷ 447] x 100 = -95.53%
Formula
Percentage change = [(20 - 447) / 447] x 100
Subtract the new number by the original number
20 - 447 = -427
-427 ÷ 447 = -0.9552572706935123
-0.9552572706935123 x 100 = -95.53%