-44.93% is the change from 997 to 549
Calculation steps:
[( 549 - 997 ) ÷ 997] x 100 = -44.93%
Formula
Percentage change = [(549 - 997) / 997] x 100
Subtract the new number by the original number
549 - 997 = -448
-448 ÷ 997 = -0.4493480441323972
-0.4493480441323972 x 100 = -44.93%