-37.54% is the change from 991 to 619
Calculation steps:
[( 619 - 991 ) ÷ 991] x 100 = -37.54%
Formula
Percentage change = [(619 - 991) / 991] x 100
Subtract the new number by the original number
619 - 991 = -372
-372 ÷ 991 = -0.3753784056508577
-0.3753784056508577 x 100 = -37.54%