17.79% is the change from 697 to 821
Calculation steps:
[( 821 - 697 ) ÷ 697] x 100 = 17.79%
Formula
Percentage change = [(821 - 697) / 697] x 100
Subtract the new number by the original number
821 - 697 = 124
124 ÷ 697 = 0.17790530846484937
0.17790530846484937 x 100 = 17.79%