-41.73% is the change from 997 to 581
Calculation steps:
[( 581 - 997 ) ÷ 997] x 100 = -41.73%
Formula
Percentage change = [(581 - 997) / 997] x 100
Subtract the new number by the original number
581 - 997 = -416
-416 ÷ 997 = -0.4172517552657974
-0.4172517552657974 x 100 = -41.73%