-78.85% is the change from 383 to 81
Calculation steps:
[( 81 - 383 ) ÷ 383] x 100 = -78.85%
Formula
Percentage change = [(81 - 383) / 383] x 100
Subtract the new number by the original number
81 - 383 = -302
-302 ÷ 383 = -0.7885117493472585
-0.7885117493472585 x 100 = -78.85%