-39.79% is the change from 970 to 584
Calculation steps:
[( 584 - 970 ) ÷ 970] x 100 = -39.79%
Formula
Percentage change = [(584 - 970) / 970] x 100
Subtract the new number by the original number
584 - 970 = -386
-386 ÷ 970 = -0.3979381443298969
-0.3979381443298969 x 100 = -39.79%