4137.5% is the change from 16 to 678
Calculation steps:
[( 678 - 16 ) ÷ 16] x 100 = 4137.5%
Formula
Percentage change = [(678 - 16) / 16] x 100
Subtract the new number by the original number
678 - 16 = 662
662 ÷ 16 = 41.375
41.375 x 100 = 4137.5%
Example