557.14% is the change from 70 to 460
Calculation steps:
[( 460 - 70 ) ÷ 70] x 100 = 557.14%
Formula
Percentage change = [(460 - 70) / 70] x 100
Subtract the new number by the original number
460 - 70 = 390
390 ÷ 70 = 5.571428571428571
5.571428571428571 x 100 = 557.14%