-89.1% is the change from 523 to 57
Calculation steps:
[( 57 - 523 ) ÷ 523] x 100 = -89.1%
Formula
Percentage change = [(57 - 523) / 523] x 100
Subtract the new number by the original number
57 - 523 = -466
-466 ÷ 523 = -0.8910133843212237
-0.8910133843212237 x 100 = -89.1%