-88.63% is the change from 563 to 64
Calculation steps:
[( 64 - 563 ) ÷ 563] x 100 = -88.63%
Formula
Percentage change = [(64 - 563) / 563] x 100
Subtract the new number by the original number
64 - 563 = -499
-499 ÷ 563 = -0.8863232682060391
-0.8863232682060391 x 100 = -88.63%