-96.3% is the change from 459 to 17
Calculation steps:
[( 17 - 459 ) ÷ 459] x 100 = -96.3%
Formula
Percentage change = [(17 - 459) / 459] x 100
Subtract the new number by the original number
17 - 459 = -442
-442 ÷ 459 = -0.9629629629629629
-0.9629629629629629 x 100 = -96.3%