-78.74% is the change from 381 to 81
Calculation steps:
[( 81 - 381 ) ÷ 381] x 100 = -78.74%
Formula
Percentage change = [(81 - 381) / 381] x 100
Subtract the new number by the original number
81 - 381 = -300
-300 ÷ 381 = -0.7874015748031497
-0.7874015748031497 x 100 = -78.74%