600% is the change from 6 to 42
Calculation steps:
[( 42 - 6 ) ÷ 6] x 100 = 600%
Formula
Percentage change = [(42 - 6) / 6] x 100
Subtract the new number by the original number
42 - 6 = 36
36 ÷ 6 = 6
6 x 100 = 600%
Example