-39.69% is the change from 970 to 585
Calculation steps:
[( 585 - 970 ) ÷ 970] x 100 = -39.69%
Formula
Percentage change = [(585 - 970) / 970] x 100
Subtract the new number by the original number
585 - 970 = -385
-385 ÷ 970 = -0.39690721649484534
-0.39690721649484534 x 100 = -39.69%