-21.86% is the change from 581 to 454
Calculation steps:
[( 454 - 581 ) ÷ 581] x 100 = -21.86%
Formula
Percentage change = [(454 - 581) / 581] x 100
Subtract the new number by the original number
454 - 581 = -127
-127 ÷ 581 = -0.21858864027538727
-0.21858864027538727 x 100 = -21.86%