468.57% is the change from 70 to 398
Calculation steps:
[( 398 - 70 ) ÷ 70] x 100 = 468.57%
Formula
Percentage change = [(398 - 70) / 70] x 100
Subtract the new number by the original number
398 - 70 = 328
328 ÷ 70 = 4.685714285714286
4.685714285714286 x 100 = 468.57%