-42.68% is the change from 991 to 568
Calculation steps:
[( 568 - 991 ) ÷ 991] x 100 = -42.68%
Formula
Percentage change = [(568 - 991) / 991] x 100
Subtract the new number by the original number
568 - 991 = -423
-423 ÷ 991 = -0.42684157416750756
-0.42684157416750756 x 100 = -42.68%