67.48% is the change from 409 to 685
Calculation steps:
[( 685 - 409 ) ÷ 409] x 100 = 67.48%
Formula
Percentage change = [(685 - 409) / 409] x 100
Subtract the new number by the original number
685 - 409 = 276
276 ÷ 409 = 0.6748166259168704
0.6748166259168704 x 100 = 67.48%