2.68% is the change from 971 to 997
Calculation steps:
[( 997 - 971 ) ÷ 971] x 100 = 2.68%
Formula
Percentage change = [(997 - 971) / 971] x 100
Subtract the new number by the original number
997 - 971 = 26
26 ÷ 971 = 0.026776519052523172
0.026776519052523172 x 100 = 2.68%