-73.32% is the change from 581 to 155
Calculation steps:
[( 155 - 581 ) ÷ 581] x 100 = -73.32%
Formula
Percentage change = [(155 - 581) / 581] x 100
Subtract the new number by the original number
155 - 581 = -426
-426 ÷ 581 = -0.7332185886402753
-0.7332185886402753 x 100 = -73.32%