-85.61% is the change from 563 to 81
Calculation steps:
[( 81 - 563 ) ÷ 563] x 100 = -85.61%
Formula
Percentage change = [(81 - 563) / 563] x 100
Subtract the new number by the original number
81 - 563 = -482
-482 ÷ 563 = -0.8561278863232682
-0.8561278863232682 x 100 = -85.61%