-4.81% is the change from 997 to 949
Calculation steps:
[( 949 - 997 ) ÷ 997] x 100 = -4.81%
Formula
Percentage change = [(949 - 997) / 997] x 100
Subtract the new number by the original number
949 - 997 = -48
-48 ÷ 997 = -0.048144433299899696
-0.048144433299899696 x 100 = -4.81%