912.86% is the change from 70 to 709
Calculation steps:
[( 709 - 70 ) ÷ 70] x 100 = 912.86%
Formula
Percentage change = [(709 - 70) / 70] x 100
Subtract the new number by the original number
709 - 70 = 639
639 ÷ 70 = 9.128571428571428
9.128571428571428 x 100 = 912.86%