-79.39% is the change from 587 to 121
Calculation steps:
[( 121 - 587 ) ÷ 587] x 100 = -79.39%
Formula
Percentage change = [(121 - 587) / 587] x 100
Subtract the new number by the original number
121 - 587 = -466
-466 ÷ 587 = -0.7938671209540034
-0.7938671209540034 x 100 = -79.39%