1641.03% is the change from 39 to 679
Calculation steps:
[( 679 - 39 ) ÷ 39] x 100 = 1641.03%
Formula
Percentage change = [(679 - 39) / 39] x 100
Subtract the new number by the original number
679 - 39 = 640
640 ÷ 39 = 16.41025641025641
16.41025641025641 x 100 = 1641.03%