-85.27% is the change from 387 to 57
Calculation steps:
[( 57 - 387 ) ÷ 387] x 100 = -85.27%
Formula
Percentage change = [(57 - 387) / 387] x 100
Subtract the new number by the original number
57 - 387 = -330
-330 ÷ 387 = -0.8527131782945736
-0.8527131782945736 x 100 = -85.27%