-73.34% is the change from 964 to 257
Calculation steps:
[( 257 - 964 ) ÷ 964] x 100 = -73.34%
Formula
Percentage change = [(257 - 964) / 964] x 100
Subtract the new number by the original number
257 - 964 = -707
-707 ÷ 964 = -0.733402489626556
-0.733402489626556 x 100 = -73.34%