19.33% is the change from 683 to 815
Calculation steps:
[( 815 - 683 ) ÷ 683] x 100 = 19.33%
Formula
Percentage change = [(815 - 683) / 683] x 100
Subtract the new number by the original number
815 - 683 = 132
132 ÷ 683 = 0.19326500732064422
0.19326500732064422 x 100 = 19.33%