-40.1% is the change from 970 to 581
Calculation steps:
[( 581 - 970 ) ÷ 970] x 100 = -40.1%
Formula
Percentage change = [(581 - 970) / 970] x 100
Subtract the new number by the original number
581 - 970 = -389
-389 ÷ 970 = -0.40103092783505156
-0.40103092783505156 x 100 = -40.1%