-99.22% is the change from 387 to 3
Calculation steps:
[( 3 - 387 ) ÷ 387] x 100 = -99.22%
Formula
Percentage change = [(3 - 387) / 387] x 100
Subtract the new number by the original number
3 - 387 = -384
-384 ÷ 387 = -0.9922480620155039
-0.9922480620155039 x 100 = -99.22%