-89.27% is the change from 531 to 57
Calculation steps:
[( 57 - 531 ) ÷ 531] x 100 = -89.27%
Formula
Percentage change = [(57 - 531) / 531] x 100
Subtract the new number by the original number
57 - 531 = -474
-474 ÷ 531 = -0.8926553672316384
-0.8926553672316384 x 100 = -89.27%