3614.29% is the change from 21 to 780
Calculation steps:
[( 780 - 21 ) ÷ 21] x 100 = 3614.29%
Formula
Percentage change = [(780 - 21) / 21] x 100
Subtract the new number by the original number
780 - 21 = 759
759 ÷ 21 = 36.142857142857146
36.142857142857146 x 100 = 3614.29%