507.14% is the change from 70 to 425
Calculation steps:
[( 425 - 70 ) ÷ 70] x 100 = 507.14%
Formula
Percentage change = [(425 - 70) / 70] x 100
Subtract the new number by the original number
425 - 70 = 355
355 ÷ 70 = 5.071428571428571
5.071428571428571 x 100 = 507.14%