-96.56% is the change from 872 to 30
Calculation steps:
[( 30 - 872 ) ÷ 872] x 100 = -96.56%
Formula
Percentage change = [(30 - 872) / 872] x 100
Subtract the new number by the original number
30 - 872 = -842
-842 ÷ 872 = -0.9655963302752294
-0.9655963302752294 x 100 = -96.56%