-96.09% is the change from 384 to 15
Calculation steps:
[( 15 - 384 ) ÷ 384] x 100 = -96.09%
Formula
Percentage change = [(15 - 384) / 384] x 100
Subtract the new number by the original number
15 - 384 = -369
-369 ÷ 384 = -0.9609375
-0.9609375 x 100 = -96.09%