-96.74% is the change from 460 to 15
Calculation steps:
[( 15 - 460 ) ÷ 460] x 100 = -96.74%
Formula
Percentage change = [(15 - 460) / 460] x 100
Subtract the new number by the original number
15 - 460 = -445
-445 ÷ 460 = -0.967391304347826
-0.967391304347826 x 100 = -96.74%