-83.33% is the change from 384 to 64
Calculation steps:
[( 64 - 384 ) ÷ 384] x 100 = -83.33%
Formula
Percentage change = [(64 - 384) / 384] x 100
Subtract the new number by the original number
64 - 384 = -320
-320 ÷ 384 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%