-39.83% is the change from 964 to 580
Calculation steps:
[( 580 - 964 ) ÷ 964] x 100 = -39.83%
Formula
Percentage change = [(580 - 964) / 964] x 100
Subtract the new number by the original number
580 - 964 = -384
-384 ÷ 964 = -0.3983402489626556
-0.3983402489626556 x 100 = -39.83%