-96.88% is the change from 481 to 15
Calculation steps:
[( 15 - 481 ) ÷ 481] x 100 = -96.88%
Formula
Percentage change = [(15 - 481) / 481] x 100
Subtract the new number by the original number
15 - 481 = -466
-466 ÷ 481 = -0.9688149688149689
-0.9688149688149689 x 100 = -96.88%