600% is the change from 4 to 28
Calculation steps:
[( 28 - 4 ) ÷ 4] x 100 = 600%
Formula
Percentage change = [(28 - 4) / 4] x 100
Subtract the new number by the original number
28 - 4 = 24
24 ÷ 4 = 6
6 x 100 = 600%
Example