-60.88% is the change from 997 to 390
Calculation steps:
[( 390 - 997 ) ÷ 997] x 100 = -60.88%
Formula
Percentage change = [(390 - 997) / 997] x 100
Subtract the new number by the original number
390 - 997 = -607
-607 ÷ 997 = -0.6088264794383149
-0.6088264794383149 x 100 = -60.88%