-39.59% is the change from 581 to 351
Calculation steps:
[( 351 - 581 ) ÷ 581] x 100 = -39.59%
Formula
Percentage change = [(351 - 581) / 581] x 100
Subtract the new number by the original number
351 - 581 = -230
-230 ÷ 581 = -0.3958691910499139
-0.3958691910499139 x 100 = -39.59%