-70.72% is the change from 584 to 171
Calculation steps:
[( 171 - 584 ) ÷ 584] x 100 = -70.72%
Formula
Percentage change = [(171 - 584) / 584] x 100
Subtract the new number by the original number
171 - 584 = -413
-413 ÷ 584 = -0.7071917808219178
-0.7071917808219178 x 100 = -70.72%