21.7% is the change from 682 to 830
Calculation steps:
[( 830 - 682 ) ÷ 682] x 100 = 21.7%
Formula
Percentage change = [(830 - 682) / 682] x 100
Subtract the new number by the original number
830 - 682 = 148
148 ÷ 682 = 0.21700879765395895
0.21700879765395895 x 100 = 21.7%