-37.91% is the change from 997 to 619
Calculation steps:
[( 619 - 997 ) ÷ 997] x 100 = -37.91%
Formula
Percentage change = [(619 - 997) / 997] x 100
Subtract the new number by the original number
619 - 997 = -378
-378 ÷ 997 = -0.3791374122367101
-0.3791374122367101 x 100 = -37.91%