-44.13% is the change from 997 to 557
Calculation steps:
[( 557 - 997 ) ÷ 997] x 100 = -44.13%
Formula
Percentage change = [(557 - 997) / 997] x 100
Subtract the new number by the original number
557 - 997 = -440
-440 ÷ 997 = -0.44132397191574724
-0.44132397191574724 x 100 = -44.13%