-2.31% is the change from 997 to 974
Calculation steps:
[( 974 - 997 ) ÷ 997] x 100 = -2.31%
Formula
Percentage change = [(974 - 997) / 997] x 100
Subtract the new number by the original number
974 - 997 = -23
-23 ÷ 997 = -0.023069207622868605
-0.023069207622868605 x 100 = -2.31%