-41.49% is the change from 993 to 581
Calculation steps:
[( 581 - 993 ) ÷ 993] x 100 = -41.49%
Formula
Percentage change = [(581 - 993) / 993] x 100
Subtract the new number by the original number
581 - 993 = -412
-412 ÷ 993 = -0.4149043303121853
-0.4149043303121853 x 100 = -41.49%