-78.91% is the change from 384 to 81
Calculation steps:
[( 81 - 384 ) ÷ 384] x 100 = -78.91%
Formula
Percentage change = [(81 - 384) / 384] x 100
Subtract the new number by the original number
81 - 384 = -303
-303 ÷ 384 = -0.7890625
-0.7890625 x 100 = -78.91%