-40.41% is the change from 975 to 581
Calculation steps:
[( 581 - 975 ) ÷ 975] x 100 = -40.41%
Formula
Percentage change = [(581 - 975) / 975] x 100
Subtract the new number by the original number
581 - 975 = -394
-394 ÷ 975 = -0.4041025641025641
-0.4041025641025641 x 100 = -40.41%