69.8% is the change from 404 to 686
Calculation steps:
[( 686 - 404 ) ÷ 404] x 100 = 69.8%
Formula
Percentage change = [(686 - 404) / 404] x 100
Subtract the new number by the original number
686 - 404 = 282
282 ÷ 404 = 0.698019801980198
0.698019801980198 x 100 = 69.8%