-96.08% is the change from 383 to 15
Calculation steps:
[( 15 - 383 ) ÷ 383] x 100 = -96.08%
Formula
Percentage change = [(15 - 383) / 383] x 100
Subtract the new number by the original number
15 - 383 = -368
-368 ÷ 383 = -0.9608355091383812
-0.9608355091383812 x 100 = -96.08%