-96.87% is the change from 543 to 17
Calculation steps:
[( 17 - 543 ) ÷ 543] x 100 = -96.87%
Formula
Percentage change = [(17 - 543) / 543] x 100
Subtract the new number by the original number
17 - 543 = -526
-526 ÷ 543 = -0.9686924493554327
-0.9686924493554327 x 100 = -96.87%