-39.38% is the change from 960 to 582
Calculation steps:
[( 582 - 960 ) ÷ 960] x 100 = -39.38%
Formula
Percentage change = [(582 - 960) / 960] x 100
Subtract the new number by the original number
582 - 960 = -378
-378 ÷ 960 = -0.39375
-0.39375 x 100 = -39.38%