-93.15% is the change from 964 to 66
Calculation steps:
[( 66 - 964 ) ÷ 964] x 100 = -93.15%
Formula
Percentage change = [(66 - 964) / 964] x 100
Subtract the new number by the original number
66 - 964 = -898
-898 ÷ 964 = -0.9315352697095436
-0.9315352697095436 x 100 = -93.15%