-82.57% is the change from 327 to 57
Calculation steps:
[( 57 - 327 ) ÷ 327] x 100 = -82.57%
Formula
Percentage change = [(57 - 327) / 327] x 100
Subtract the new number by the original number
57 - 327 = -270
-270 ÷ 327 = -0.8256880733944955
-0.8256880733944955 x 100 = -82.57%