-96.8% is the change from 563 to 18
Calculation steps:
[( 18 - 563 ) ÷ 563] x 100 = -96.8%
Formula
Percentage change = [(18 - 563) / 563] x 100
Subtract the new number by the original number
18 - 563 = -545
-545 ÷ 563 = -0.9680284191829485
-0.9680284191829485 x 100 = -96.8%