1057.14% is the change from 70 to 810
Calculation steps:
[( 810 - 70 ) ÷ 70] x 100 = 1057.14%
Formula
Percentage change = [(810 - 70) / 70] x 100
Subtract the new number by the original number
810 - 70 = 740
740 ÷ 70 = 10.571428571428571
10.571428571428571 x 100 = 1057.14%