1653.85% is the change from 39 to 684
Calculation steps:
[( 684 - 39 ) ÷ 39] x 100 = 1653.85%
Formula
Percentage change = [(684 - 39) / 39] x 100
Subtract the new number by the original number
684 - 39 = 645
645 ÷ 39 = 16.53846153846154
16.53846153846154 x 100 = 1653.85%