2500% is the change from 26 to 676
Calculation steps:
[( 676 - 26 ) ÷ 26] x 100 = 2500%
Formula
Percentage change = [(676 - 26) / 26] x 100
Subtract the new number by the original number
676 - 26 = 650
650 ÷ 26 = 25
25 x 100 = 2500%
Example