-42.58% is the change from 991 to 569
Calculation steps:
[( 569 - 991 ) ÷ 991] x 100 = -42.58%
Formula
Percentage change = [(569 - 991) / 991] x 100
Subtract the new number by the original number
569 - 991 = -422
-422 ÷ 991 = -0.425832492431887
-0.425832492431887 x 100 = -42.58%