797.14% is the change from 70 to 628
Calculation steps:
[( 628 - 70 ) ÷ 70] x 100 = 797.14%
Formula
Percentage change = [(628 - 70) / 70] x 100
Subtract the new number by the original number
628 - 70 = 558
558 ÷ 70 = 7.9714285714285715
7.9714285714285715 x 100 = 797.14%