-70.65% is the change from 586 to 172
Calculation steps:
[( 172 - 586 ) ÷ 586] x 100 = -70.65%
Formula
Percentage change = [(172 - 586) / 586] x 100
Subtract the new number by the original number
172 - 586 = -414
-414 ÷ 586 = -0.7064846416382252
-0.7064846416382252 x 100 = -70.65%