3504.35% is the change from 23 to 829
Calculation steps:
[( 829 - 23 ) ÷ 23] x 100 = 3504.35%
Formula
Percentage change = [(829 - 23) / 23] x 100
Subtract the new number by the original number
829 - 23 = 806
806 ÷ 23 = 35.04347826086956
35.04347826086956 x 100 = 3504.35%