877.14% is the change from 70 to 684
Calculation steps:
[( 684 - 70 ) ÷ 70] x 100 = 877.14%
Formula
Percentage change = [(684 - 70) / 70] x 100
Subtract the new number by the original number
684 - 70 = 614
614 ÷ 70 = 8.771428571428572
8.771428571428572 x 100 = 877.14%