-96.89% is the change from 964 to 30
Calculation steps:
[( 30 - 964 ) ÷ 964] x 100 = -96.89%
Formula
Percentage change = [(30 - 964) / 964] x 100
Subtract the new number by the original number
30 - 964 = -934
-934 ÷ 964 = -0.9688796680497925
-0.9688796680497925 x 100 = -96.89%