-96.89% is the change from 482 to 15
Calculation steps:
[( 15 - 482 ) ÷ 482] x 100 = -96.89%
Formula
Percentage change = [(15 - 482) / 482] x 100
Subtract the new number by the original number
15 - 482 = -467
-467 ÷ 482 = -0.9688796680497925
-0.9688796680497925 x 100 = -96.89%