3.07% is the change from 683 to 704
Calculation steps:
[( 704 - 683 ) ÷ 683] x 100 = 3.07%
Formula
Percentage change = [(704 - 683) / 683] x 100
Subtract the new number by the original number
704 - 683 = 21
21 ÷ 683 = 0.03074670571010249
0.03074670571010249 x 100 = 3.07%