1869.23% is the change from 26 to 512
Calculation steps:
[( 512 - 26 ) ÷ 26] x 100 = 1869.23%
Formula
Percentage change = [(512 - 26) / 26] x 100
Subtract the new number by the original number
512 - 26 = 486
486 ÷ 26 = 18.692307692307693
18.692307692307693 x 100 = 1869.23%