690.91% is the change from 110 to 870
Calculation steps:
[( 870 - 110 ) ÷ 110] x 100 = 690.91%
Formula
Percentage change = [(870 - 110) / 110] x 100
Subtract the new number by the original number
870 - 110 = 760
760 ÷ 110 = 6.909090909090909
6.909090909090909 x 100 = 690.91%