700% is the change from 102 to 816
Calculation steps:
[( 816 - 102 ) ÷ 102] x 100 = 700%
Formula
Percentage change = [(816 - 102) / 102] x 100
Subtract the new number by the original number
816 - 102 = 714
714 ÷ 102 = 7
7 x 100 = 700%
Example