-89.61% is the change from 587 to 61
Calculation steps:
[( 61 - 587 ) ÷ 587] x 100 = -89.61%
Formula
Percentage change = [(61 - 587) / 587] x 100
Subtract the new number by the original number
61 - 587 = -526
-526 ÷ 587 = -0.8960817717206133
-0.8960817717206133 x 100 = -89.61%