4187.5% is the change from 16 to 686
Calculation steps:
[( 686 - 16 ) ÷ 16] x 100 = 4187.5%
Formula
Percentage change = [(686 - 16) / 16] x 100
Subtract the new number by the original number
686 - 16 = 670
670 ÷ 16 = 41.875
41.875 x 100 = 4187.5%
Example