2538.46% is the change from 26 to 686
Calculation steps:
[( 686 - 26 ) ÷ 26] x 100 = 2538.46%
Formula
Percentage change = [(686 - 26) / 26] x 100
Subtract the new number by the original number
686 - 26 = 660
660 ÷ 26 = 25.384615384615383
25.384615384615383 x 100 = 2538.46%