14.5% is the change from 717 to 821
Calculation steps:
[( 821 - 717 ) ÷ 717] x 100 = 14.5%
Formula
Percentage change = [(821 - 717) / 717] x 100
Subtract the new number by the original number
821 - 717 = 104
104 ÷ 717 = 0.14504881450488144
0.14504881450488144 x 100 = 14.5%