2.51% is the change from 917 to 940
Calculation steps:
[( 940 - 917 ) ÷ 917] x 100 = 2.51%
Formula
Percentage change = [(940 - 917) / 917] x 100
Subtract the new number by the original number
940 - 917 = 23
23 ÷ 917 = 0.025081788440567066
0.025081788440567066 x 100 = 2.51%