887.14% is the change from 70 to 691
Calculation steps:
[( 691 - 70 ) ÷ 70] x 100 = 887.14%
Formula
Percentage change = [(691 - 70) / 70] x 100
Subtract the new number by the original number
691 - 70 = 621
621 ÷ 70 = 8.871428571428572
8.871428571428572 x 100 = 887.14%