20.32% is the change from 679 to 817
Calculation steps:
[( 817 - 679 ) ÷ 679] x 100 = 20.32%
Formula
Percentage change = [(817 - 679) / 679] x 100
Subtract the new number by the original number
817 - 679 = 138
138 ÷ 679 = 0.203240058910162
0.203240058910162 x 100 = 20.32%