420% is the change from 5 to 26
Calculation steps:
[( 26 - 5 ) ÷ 5] x 100 = 420%
Formula
Percentage change = [(26 - 5) / 5] x 100
Subtract the new number by the original number
26 - 5 = 21
21 ÷ 5 = 4.2
4.2 x 100 = 420%
Example