-96.87% is the change from 958 to 30
Calculation steps:
[( 30 - 958 ) ÷ 958] x 100 = -96.87%
Formula
Percentage change = [(30 - 958) / 958] x 100
Subtract the new number by the original number
30 - 958 = -928
-928 ÷ 958 = -0.9686847599164927
-0.9686847599164927 x 100 = -96.87%