900% is the change from 26 to 260
Calculation steps:
[( 260 - 26 ) ÷ 26] x 100 = 900%
Formula
Percentage change = [(260 - 26) / 26] x 100
Subtract the new number by the original number
260 - 26 = 234
234 ÷ 26 = 9
9 x 100 = 900%
Example