19.77% is the change from 693 to 830
Calculation steps:
[( 830 - 693 ) ÷ 693] x 100 = 19.77%
Formula
Percentage change = [(830 - 693) / 693] x 100
Subtract the new number by the original number
830 - 693 = 137
137 ÷ 693 = 0.1976911976911977
0.1976911976911977 x 100 = 19.77%