-97.07% is the change from 581 to 17
Calculation steps:
[( 17 - 581 ) ÷ 581] x 100 = -97.07%
Formula
Percentage change = [(17 - 581) / 581] x 100
Subtract the new number by the original number
17 - 581 = -564
-564 ÷ 581 = -0.9707401032702238
-0.9707401032702238 x 100 = -97.07%