825.71% is the change from 70 to 648
Calculation steps:
[( 648 - 70 ) ÷ 70] x 100 = 825.71%
Formula
Percentage change = [(648 - 70) / 70] x 100
Subtract the new number by the original number
648 - 70 = 578
578 ÷ 70 = 8.257142857142858
8.257142857142858 x 100 = 825.71%