-86.52% is the change from 423 to 57
Calculation steps:
[( 57 - 423 ) ÷ 423] x 100 = -86.52%
Formula
Percentage change = [(57 - 423) / 423] x 100
Subtract the new number by the original number
57 - 423 = -366
-366 ÷ 423 = -0.8652482269503546
-0.8652482269503546 x 100 = -86.52%