-89.59% is the change from 586 to 61
Calculation steps:
[( 61 - 586 ) ÷ 586] x 100 = -89.59%
Formula
Percentage change = [(61 - 586) / 586] x 100
Subtract the new number by the original number
61 - 586 = -525
-525 ÷ 586 = -0.8959044368600683
-0.8959044368600683 x 100 = -89.59%