600% is the change from 10 to 70
Calculation steps:
[( 70 - 10 ) ÷ 10] x 100 = 600%
Formula
Percentage change = [(70 - 10) / 10] x 100
Subtract the new number by the original number
70 - 10 = 60
60 ÷ 10 = 6
6 x 100 = 600%
Example