2.47% is the change from 973 to 997
Calculation steps:
[( 997 - 973 ) ÷ 973] x 100 = 2.47%
Formula
Percentage change = [(997 - 973) / 973] x 100
Subtract the new number by the original number
997 - 973 = 24
24 ÷ 973 = 0.024665981500513873
0.024665981500513873 x 100 = 2.47%