-95.64% is the change from 459 to 20
Calculation steps:
[( 20 - 459 ) ÷ 459] x 100 = -95.64%
Formula
Percentage change = [(20 - 459) / 459] x 100
Subtract the new number by the original number
20 - 459 = -439
-439 ÷ 459 = -0.9564270152505446
-0.9564270152505446 x 100 = -95.64%