1519.23% is the change from 26 to 421
Calculation steps:
[( 421 - 26 ) ÷ 26] x 100 = 1519.23%
Formula
Percentage change = [(421 - 26) / 26] x 100
Subtract the new number by the original number
421 - 26 = 395
395 ÷ 26 = 15.192307692307692
15.192307692307692 x 100 = 1519.23%