-91.86% is the change from 381 to 31
Calculation steps:
[( 31 - 381 ) ÷ 381] x 100 = -91.86%
Formula
Percentage change = [(31 - 381) / 381] x 100
Subtract the new number by the original number
31 - 381 = -350
-350 ÷ 381 = -0.9186351706036745
-0.9186351706036745 x 100 = -91.86%