-89.75% is the change from 556 to 57
Calculation steps:
[( 57 - 556 ) ÷ 556] x 100 = -89.75%
Formula
Percentage change = [(57 - 556) / 556] x 100
Subtract the new number by the original number
57 - 556 = -499
-499 ÷ 556 = -0.8974820143884892
-0.8974820143884892 x 100 = -89.75%