-91.82% is the change from 379 to 31
Calculation steps:
[( 31 - 379 ) ÷ 379] x 100 = -91.82%
Formula
Percentage change = [(31 - 379) / 379] x 100
Subtract the new number by the original number
31 - 379 = -348
-348 ÷ 379 = -0.9182058047493403
-0.9182058047493403 x 100 = -91.82%