6900% is the change from 11 to 770
Calculation steps:
[( 770 - 11 ) ÷ 11] x 100 = 6900%
Formula
Percentage change = [(770 - 11) / 11] x 100
Subtract the new number by the original number
770 - 11 = 759
759 ÷ 11 = 69
69 x 100 = 6900%
Example