2900% is the change from 26 to 780
Calculation steps:
[( 780 - 26 ) ÷ 26] x 100 = 2900%
Formula
Percentage change = [(780 - 26) / 26] x 100
Subtract the new number by the original number
780 - 26 = 754
754 ÷ 26 = 29
29 x 100 = 2900%
Example