-59.28% is the change from 997 to 406
Calculation steps:
[( 406 - 997 ) ÷ 997] x 100 = -59.28%
Formula
Percentage change = [(406 - 997) / 997] x 100
Subtract the new number by the original number
406 - 997 = -591
-591 ÷ 997 = -0.5927783350050151
-0.5927783350050151 x 100 = -59.28%