2.15% is the change from 976 to 997
Calculation steps:
[( 997 - 976 ) ÷ 976] x 100 = 2.15%
Formula
Percentage change = [(997 - 976) / 976] x 100
Subtract the new number by the original number
997 - 976 = 21
21 ÷ 976 = 0.02151639344262295
0.02151639344262295 x 100 = 2.15%