-37.24% is the change from 991 to 622
Calculation steps:
[( 622 - 991 ) ÷ 991] x 100 = -37.24%
Formula
Percentage change = [(622 - 991) / 991] x 100
Subtract the new number by the original number
622 - 991 = -369
-369 ÷ 991 = -0.37235116044399597
-0.37235116044399597 x 100 = -37.24%