-91.97% is the change from 386 to 31
Calculation steps:
[( 31 - 386 ) ÷ 386] x 100 = -91.97%
Formula
Percentage change = [(31 - 386) / 386] x 100
Subtract the new number by the original number
31 - 386 = -355
-355 ÷ 386 = -0.9196891191709845
-0.9196891191709845 x 100 = -91.97%