-79.17% is the change from 581 to 121
Calculation steps:
[( 121 - 581 ) ÷ 581] x 100 = -79.17%
Formula
Percentage change = [(121 - 581) / 581] x 100
Subtract the new number by the original number
121 - 581 = -460
-460 ÷ 581 = -0.7917383820998278
-0.7917383820998278 x 100 = -79.17%