-83.58% is the change from 530 to 87
Calculation steps:
[( 87 - 530 ) ÷ 530] x 100 = -83.58%
Formula
Percentage change = [(87 - 530) / 530] x 100
Subtract the new number by the original number
87 - 530 = -443
-443 ÷ 530 = -0.8358490566037736
-0.8358490566037736 x 100 = -83.58%