-39.54% is the change from 966 to 584
Calculation steps:
[( 584 - 966 ) ÷ 966] x 100 = -39.54%
Formula
Percentage change = [(584 - 966) / 966] x 100
Subtract the new number by the original number
584 - 966 = -382
-382 ÷ 966 = -0.39544513457556935
-0.39544513457556935 x 100 = -39.54%