11542.86% is the change from 7 to 815
Calculation steps:
[( 815 - 7 ) ÷ 7] x 100 = 11542.86%
Formula
Percentage change = [(815 - 7) / 7] x 100
Subtract the new number by the original number
815 - 7 = 808
808 ÷ 7 = 115.42857142857143
115.42857142857143 x 100 = 11542.86%