-96.83% is the change from 473 to 15
Calculation steps:
[( 15 - 473 ) ÷ 473] x 100 = -96.83%
Formula
Percentage change = [(15 - 473) / 473] x 100
Subtract the new number by the original number
15 - 473 = -458
-458 ÷ 473 = -0.9682875264270613
-0.9682875264270613 x 100 = -96.83%