-73.15% is the change from 581 to 156
Calculation steps:
[( 156 - 581 ) ÷ 581] x 100 = -73.15%
Formula
Percentage change = [(156 - 581) / 581] x 100
Subtract the new number by the original number
156 - 581 = -425
-425 ÷ 581 = -0.7314974182444062
-0.7314974182444062 x 100 = -73.15%