13.14% is the change from 814 to 921
Calculation steps:
[( 921 - 814 ) ÷ 814] x 100 = 13.14%
Formula
Percentage change = [(921 - 814) / 814] x 100
Subtract the new number by the original number
921 - 814 = 107
107 ÷ 814 = 0.13144963144963145
0.13144963144963145 x 100 = 13.14%