67.4% is the change from 408 to 683
Calculation steps:
[( 683 - 408 ) ÷ 408] x 100 = 67.4%
Formula
Percentage change = [(683 - 408) / 408] x 100
Subtract the new number by the original number
683 - 408 = 275
275 ÷ 408 = 0.6740196078431373
0.6740196078431373 x 100 = 67.4%