-86.61% is the change from 381 to 51
Calculation steps:
[( 51 - 381 ) ÷ 381] x 100 = -86.61%
Formula
Percentage change = [(51 - 381) / 381] x 100
Subtract the new number by the original number
51 - 381 = -330
-330 ÷ 381 = -0.8661417322834646
-0.8661417322834646 x 100 = -86.61%